| 单词 | unknown |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔ATTACK〕Unknown assailants stabbed a British tourist and wounded his wife. 一些身份不明的歹徒刺死了一名英国游客，并刺伤了他的妻子。朗文写作活用〔COME FROM〕The sound came from an unknown source, far away in the distance. 这声音从远处某个地方传来。朗文写作活用〔Calusa〕The extinct language of the Calusa, of unknown linguistic affiliation.凯鲁萨语：已绝迹的凯鲁萨语，语系不明美国传统〔Etruscan〕The extinct language of the Etruscans, of unknown linguistic affiliation.伊特鲁里亚语：现已消失的伊特鲁里亚语，这种语言的语缘关系尚不明美国传统〔FAMOUS〕As an unknown author, it isn't easy to get your work published. 一个不出名的作者要出版作品很不容易。朗文写作活用〔FAMOUS〕Horn was beaten by a relatively unknown politician in the last election. 霍恩在上次选举中被一个不大知名的政治家击败。朗文写作活用〔For some unknown reason〕For some unknown reason, my computer crashed.我的电脑莫名其妙地死机了。韦氏高阶〔KNOW/NOT KNOW〕In 1492 Columbus and his group of tiny ships set off into the unknown. 1492年哥伦布和他的一队小船开始了探险之旅。朗文写作活用〔KNOW/NOT KNOW〕Starting a new relationship with someone is always a journey into the unknown. 开展一段新的恋爱关系总是像去探索一个未知的世界一样。朗文写作活用〔KNOW/NOT KNOW〕The fear of the unknown prevents many people from making significant changes in their lives. 对未知事物的恐惧使许多人不敢对自己的生活作出重大改变。朗文写作活用〔KNOW/NOT KNOW〕There are still a great many unknown insect species in the world. 世界上仍有许许多多未知的昆虫种类。朗文写作活用〔KNOW/NOT KNOW〕Yesterday the village was quite unknown, but today it's on the front page of all the newspapers. 昨天这个村庄还是寂寂无名的，可今天它却登上了所有报纸的头版。朗文写作活用〔LOSE〕He lost his title unexpectedly to a man who is virtually unknown outside boxing circles. 他出人意料地把他的冠军称号输给了拳坛以外几乎无人认识的一个人。朗文写作活用〔MIA〕A member of the armed services who is reported missing following a combat mission and whose status as to injury, capture, or death is unknown.战斗中失踪的人：战斗任务结束后武装部队中被报告失踪的人，其伤亡被俘情况不清美国传统〔Mac〕Used as a form of address for a man whose name is unknown.老兄（弟）：用来称呼一个不知其姓名的男子美国传统〔Mexican hairless〕Any of a breed of small dog of unknown origin, found in Mexico and having a smooth hairless body except for tufts on the head and tail.墨西哥无毛狗：血统不明的一种小种狗的统称，见于墨西哥，全身除尾尖及头部外光秃美国传统〔NAME〕Most of the stars in the movie are unknown to US audiences. 这部电影里的大多数明星都不为美国观众所熟悉。朗文写作活用〔NAME〕She said the flowers were from an unknown admirer. 她说这些花是一个不知名的爱慕者送的。朗文写作活用〔OPEN〕Unknown to me, the office had opened early, and all the tickets had been sold. 我不知道票房提早开门，所有的票都卖完了。朗文写作活用〔PARTY〕Lee says the damage was caused by a couple of unknown gatecrashers. 李称破坏是一些不请自到的陌生宾客造成的。朗文写作活用〔PLACE〕Despite numerous searches and enquiries, her whereabouts are still unknown. 尽管已经找了许多次，也问了许多人，但她仍下落不明。朗文写作活用〔PREFER〕Any smart employer would prefer to hire an experienced worker over an unknown. 精明的雇主都更愿聘用有经验的工人而不是一无所知的人。朗文写作活用〔ahem〕It is not unknown for valuable display items to go, ahem, missing.珍贵展品也不是没有——呃哼——丢失过。外研社新世纪〔ahem〕It is not unknown for valuable display items to go, ahem, missing.贵重的展品，呃哼，丢失的话，会众人皆知。柯林斯高阶〔anonymity〕One that is unknown or unacknowledged.匿名者，无名氏：不被认识或知道的人美国传统〔antiquity〕The common household fork was nearly unknown in antiquity.古时，几乎看不到普通的家用餐叉。朗文当代〔ascribe to〕The painting was ascribed to an unknown artist.据考证这幅画的作者是一位无名画家。21世纪英汉〔astonishing〕It's astonishing to think that only a few years ago he was a completely unknown actor.仅仅几年前他还是一个默默无闻的演员，想想真让人觉得难以置信。剑桥高阶〔attribute sth to sb/sth〕The doctors have attributed the cause of the illness to an unknown virus.医生们认为这种疾病是由一种未知的病毒引起的。剑桥高阶〔audience〕These artists remain relatively unknown to Western audiences.这些艺术家相对而言仍不为西方的艺术爱好者所熟知。牛津搭配〔authorship〕The article is of unknown authorship (= it is not known who wrote it).这篇文章的作者不详。剑桥高阶〔authorship〕The authorship of the poem is unknown.这首诗的作者不详。牛津高阶〔be〕A is excellent, C is passing. Let n be the unknown quantity.A表示优秀，C表示及格。n表示未知数美国传统〔black box〕A device or theoretical construct with known or specified performance characteristics but unknown or unspecified constituents and means of operation.黑箱：一种仪器或理论学说，有已知或特定的性能特征但未知或不确定指出的构成成分或操作方法美国传统〔caveat〕The spokesperson caveated the statement with a reminder that certain facts were still unknown.发言人对陈述做了限定，提醒大家某些事实尚未知晓美国传统〔challenge〕A sentry's call to an unknown party for proper identification.口令，暗号：哨兵大声向一群不认识的人索要身份证明美国传统〔chance〕The unknown and unpredictable element in happenings that seems to have no assignable cause.偶然性：在似乎无因可查的事件中末知和不可预测的成分美国传统〔change〕We resist change because of fear of the unknown.我们抗拒变革是因为对未知的恐惧。牛津搭配〔chart out〕We decided to chart out that unknown area.我们决定对那个陌生地区进行勘察。21世纪英汉〔claim〕An unknown terrorist group has claimed responsibility for this morning's bomb attack.一个不知名的恐怖组织声称对今天上午的炸弹袭击事件负责。剑桥高阶〔coattail〕I am not an unknown trying to ride (或 hang, climb) on her coattails.我并非一个指望她提携的无名之辈。英汉大词典〔collapse〕The civilization collapsed for reasons that are still unknown.这一文明瓦解的原因现在仍不清楚。韦氏高阶〔concept〕The concept of free speech is unknown to them.他们没有言论自由的概念。剑桥高阶〔conduit〕He was a reporter; a conduit between the known world and the unknown.他是一名记者, 是已知世界和未知世界之间的媒介。外研社新世纪〔contextual〕To find the meaning of an unknown word you should look at the contextual clues provided by the words that are around it.要推断出一个生词的意思，应该查看它周围的词语所提供的语境线索。韦氏高阶〔country〕She felt herself pushed into an unknown country, not by love, but by anger.她感到自己不是被爱情而是被愤怒推入了一个陌生之地。外研社新世纪〔cryptogenic〕Of obscure or unknown origin. Used of diseases.隐生的：起因模糊或未知的。用于指疾病美国传统〔denote〕The sign X denotes an unknown number.X符号表示一个未知数。英汉大词典〔depth〕Her paintings reveal hidden depths(= unknown and interesting things about her character).她的画揭示出她隐藏的性格特征。牛津高阶〔destination〕The deposed leader is reported to have fled the capital to an unknown destination.据报道被废黜的领导人已逃离首都，去向不明。牛津搭配〔dingus〕An article whose name is unknown or forgotten.小玩意：不知名的或忘记名称的物件美国传统〔dispatch〕He departed with dispatch for regions unknown.他急急离开,去向不明。英汉大词典〔eliminate〕Mathematics To remove (an unknown quantity) by combining equations.【数学】 消去：通过等式合并消去（一个未知量）美国传统〔ending〕The crowd cheered on the unknown Tunisian, hoping for a fairy-tale ending to the race.观众为那个并不出名的突尼斯人加油鼓劲，期待比赛有一个出人意料的结局。牛津搭配〔entity〕The Radley Place was inhabited by an unknown entity.拉德利别墅由某个不知姓名的人物居住着。英汉大词典〔exact〕The exact cause of both conditions is unknown.这两种病症的具体原因还不为人知。外研社新世纪〔exact〕The exact location of the hostages is unknown.人质所处的确切位置并不清楚。朗文当代〔explore〕They were sent to explore unknown regions of Africa.他们被派去勘查非洲的未知地域。韦氏高阶〔extremist〕A previously unknown extremist group has said it carried out Friday's bomb attack.一个从未听说过的极端分子组织声称他们组织了周五的炸弹袭击。外研社新世纪〔extremist〕A previously unknown extremist group has said it carried out Friday's bomb attack.一个先前不为人知的极端组织声称实施了星期五的炸弹袭击。柯林斯高阶〔fame〕Largely unknown in his lifetime, Mendel's discoveries earned him posthumous fame.孟德尔的发现在他生前基本无人知晓，死后才为他赢得声誉。牛津搭配〔fate〕The fate of the three men is unknown.这三个人命运未卜。牛津高阶〔fate〕The ultimate fate of the captured troops is unknown.没有人知道被俘部队的最终命运。牛津搭配〔freedom〕Thanks to the automobile, Americans soon had a freedom of movement previously unknown.由于有了汽车，美国人很快就获得了前所未有的行动自由。牛津高阶〔gamma-ray burst〕A short-lived, localized, and intense burst of gamma radiation that originates outside the solar system from an unknown source.γ射线：由γ射线发出的密集、局部且短暂的干扰波，来自太阳系的不明来源处美国传统〔generation〕A generation ago, home computers were virtually unknown.二三十年以前，家用电脑还几乎不为世人所知。剑桥高阶〔go down to〕The famous player went down to an unknown player.这位著名选手被一位名不见经传的选手击败。21世纪英汉〔guide〕He claims that there were unknown forces guiding the outcome of the election.他宣称有未知力量在操控着选举结果。韦氏高阶〔humble〕Last year's champion was humbled by an unknown newcomer.去年的冠军被一个不知名的新人轻松打败。韦氏高阶〔identity〕The identity of the killer is still unknown.凶手的身份仍未查明。朗文当代〔immediate〕The effect of the new policy will be unknown for the immediate future.这一新政策在短时间内还看不出效果。韦氏高阶〔immediate〕The immediate cause of the accident is unknown.该事故的直接原因不明。文馨英汉〔inconsistent〕Mathematics Not solvable for the unknowns by the same set of values. Used of two or more equations or inequalities.【数学】 不可解的：同一系列值的情况下由于有未知数而无解的。用于两个或两个以上的等式或不等式美国传统〔infection〕Exactly which bacteria cause the infection is still unknown.到底是什么细菌引起的感染还不清楚。柯林斯高阶〔jump〕The new law is a jump into the unknown.这部新法律效果如何还是个未知数。牛津搭配〔little magazine〕A literary magazine that publishes the work of relatively unknown writers.小杂志：专门发表不知名作者作品的文艺性杂志美国传统〔lupus erythematosus〕A chronic disease of unknown origin characterized by the appearance of red, scaly lesions or patches on the face and upper portion of the trunk.红斑狼疮：一种起因不明的慢性病，症状是在脸上和人体上部出现呈红色鳞状的损伤或斑点美国传统〔lurch〕Starting her own business was a lurch into the unknown.自己创业对她来说是闯入了未知的世界。牛津搭配〔match〕No one could match the skill of the unknown carver.没有哪个人的技艺能比得上那位不出名的雕刻家。21世纪英汉〔motivation〕The timing of the attack, and its motivations, are unknown.袭击发生的时间及其动机尚不清楚。柯林斯高阶〔motivation〕The timing of the attack, and its motivations, are unknown.袭击的时间和动机未明。外研社新世纪〔obscure〕Something obscure or unknown.某种模糊的或不清楚的东西美国传统〔obscurity〕One that is unknown.未知的人或事物美国传统〔open sentence〕An expression that contains at least one unknown quantity and becomes true or false when a test value is substituted for the unknown.开语句：至少包含一个未知数并且在测验值被替换时出现对或错的数学方程式美国传统〔origin〕The origins of some words are unknown.这些词的起源是不知的。美国传统〔parentage〕He was born in France in 1670 of unknown parentage (=nobody knows who his parents were) .1670 年他出生于法国，家世不明。朗文当代〔parentage〕She was of unknown parentage.她的出身不详。外研社新世纪〔parentage〕The novel starts when a child of unknown parentage is left at the house of the local priest.小说是以一个双亲不明的孩子被遗弃在当地牧师的门前开始的。剑桥高阶〔penetrate〕Explorers penetrated deep into unknown regions.探险者深入到了未知的地区。朗文当代〔person〕He has been charged with supplying heroin to persons unknown.他被指控向陌生人提供海洛因。麦克米伦高阶〔phantom〕The phantom wine-drinker has been around (= an unknown person has been drinking the wine)! 附近一定有嗜酒幽灵出没！剑桥高阶〔pioneer〕One who ventures into unknown or unclaimed territory to settle.拓荒者，开辟者：冒险进入不可知或无人占有的地方定居的人美国传统〔play〕Her character is being played by a relatively unknown actress.她的角色由一个不太知名的女演员扮演。韦氏高阶〔potentiometer〕An instrument for measuring an unknown voltage by comparison to a standard voltage.电势计，电位计：通过与标准电压相比较而来测定未知电压的仪器美国传统〔potter's field〕A place for the burial of unknown or indigent persons.义地，义冢：埋葬不知名的人或穷人的地方美国传统〔precise〕The precise cause of the disease is unknown.造成这种疾病的确切原因尚不清楚。朗文当代〔precise〕The precise date and place of his birth are unknown.没有人知道他确切的出生日期和地点。麦克米伦高阶〔previously〕The contract was awarded to a previously unknown company.合同签给了一个之前并不知名的公司。外研社新世纪〔property〕Its precise chemical properties are unknown.其确切的化学特性未知。外研社新世纪〔provenance〕The provenance of the paintings is unknown.这些画出处不详。朗文当代〔provincial〕Owen died an unknown provincial.欧文去世时是个默默无闻的外省人。外研社新世纪〔provincial〕Owen died an unknown provincial.欧文死的时候是一个不为人知的外乡人。柯林斯高阶〔recast〕The director decided to recast the movie with unknowns.导演决定将这部电影中的演员换成新人。韦氏高阶〔reportable〕Death in custody in a police station is not, strictly, reportable unless it is unnatural or of unknown cause.警察局拘留期间发生的死亡,严格说来,并不是非报告不可的,除非是横死或死因不明。英汉大词典〔represent〕X represents the unknown.X代表未知数。英汉大词典〔riddle〕Unknown attackers riddled two homes with gunfire.身份不明的袭击者将两处房屋打得满是枪眼。外研社新世纪〔satisfy〕Mathematics To make the left and right sides of an equation equal after substituting equivalent quantities for the unknown variables in the equation.【数学】 （等式两边）满足…的条件：在等式中用等量代换未知变量后使等式的左右两边相等美国传统〔set〕They were about to set forth on a voyage into the unknown.他们即将启航去探索那个未知世界。朗文当代〔show〕Our aim is to make it easier for young unknown artists to show their work.我们的目的是方便不知名的年轻艺术家展出他们的作品。剑桥高阶〔sickness〕He died from an unknown sickness.他死于一种不知名的疾病。韦氏高阶〔transform〕The movie transformed her almost overnight from an unknown schoolgirl into a megastar.那部电影几乎在一夜之间就让她从一名默默无闻的女学生变成了一位巨星。朗文当代〔transpire〕Exactly what transpired remains unknown.究竟发生了什么一直无人知晓。朗文当代〔transplant〕She received a bone marrow transplant from an unknown donor.她从一个匿名捐献者那里得到了移植的骨髓。韦氏高阶〔triangulation〕The location of an unknown point, as in navigation, by the formation of a triangle having the unknown point and two known points as the vertices.三角测量：通过以分别作（顶点）的两个已知点和一个未知点形成一个三角形，来求出或定位该未知点，如在航海中美国传统〔unknown quantity〕To Margaret the outside world was an unknown quantity.对玛格丽特而言, 外面的世界是个未知数。外研社新世纪〔unknown〕Unknown thieves had forced their way into the apartment.不知名的窃贼破门闯入了公寓。柯林斯高阶〔unknown〕Unknown to them, he is nearby.他悄悄地出现在他们附近。英汉大词典〔unknown〕A hundred years ago coronary heart disease was virtually unknown in Europe and America.在100年前冠心病几乎不存在于欧洲和美洲。柯林斯高阶〔unknown〕A young unknown played the leading role.演主角的是一个名不见经传的年轻人。牛津高阶〔unknown〕An unknown number of cases go unreported.有数量不清的案件没有人报案。韦氏高阶〔unknown〕An unknown number of demonstrators were arrested.有示威者遭到了逮捕, 具体人数不详。外研社新世纪〔unknown〕An unknown number of people were killed.丧生者人数不详。朗文当代〔unknown〕As recently as six months ago her name was almost unknown in this country.就在6个月前，她的名字在这个国家还几乎无人知晓。剑桥高阶〔unknown〕At that point in her career she was still an unknown.在职业生涯的那个阶段，她还是个无名小卒。朗文当代〔unknown〕For her latest film she deliberately chose a cast of unknowns.在新拍影片中，她特意挑了一批不知名的演员。剑桥高阶〔unknown〕For some unknown reason , Mark quit his job and moved to Greece.不知何故，马克辞掉工作搬到希腊去了。朗文当代〔unknown〕For some unknown reason, the plane landed at the wrong airport.不知什么原因，飞机降落错了机场。麦克米伦高阶〔unknown〕God, the Unknown.上帝——神秘的巨人。英汉大词典〔unknown〕Gold was totally unknown to their civilization.黄金完全不为他们的世界所知。牛津搭配〔unknown〕He cites the works of two otherwise unknown authors.他引用了两位本来不出名的作者的作品。牛津搭配〔unknown〕He did it unknown to me.这事是他背着我做的。英汉大词典〔unknown〕He was an unknown writer.他是个名不见经传的作家。柯林斯高阶〔unknown〕He was trying, for some unknown reason, to count the stars.不知何故，他试图数星星。牛津高阶〔unknown〕Hyde's whereabouts were unknown.海德下落不明。外研社新世纪〔unknown〕It is not unknown for travellers to forget their passports.旅客忘带护照的事时有发生。外研社新世纪〔unknown〕It was a perilous expedition through unknown territory.这是一次穿越未知地域的危险之旅。外研社新世纪〔unknown〕It was not unknown for people to have to wait several hours(= it happened sometimes).人们得等几个小时的事时有发生。牛津高阶〔unknown〕It's the big unknowns that make insurance companies uneasy.令保险公司担心的是无法预测的重大事件。剑桥高阶〔unknown〕Mathematics A quantity of unknown numerical value.【数学】 未知数：数值不明的一个数量美国传统〔unknown〕Most of her friends are unknown to me.她的大多数朋友我都不认识。麦克米伦高阶〔unknown〕Motherhood was for her a journey into the unknown.做母亲对她来说是开始一次未知之旅。牛津搭配〔unknown〕Several hundred people were affected by the previously unknown virus.好几百人感染了那种原先还不为人知的病毒。麦克米伦高阶〔unknown〕She departed for parts unknown.她离开了，不知去了什么地方。牛津搭配〔unknown〕She had so many awards but was completely unknown to me.她拿了这么多奖, 但我对她一无所知。外研社新世纪〔unknown〕She was then still relatively unknown.她那时候还不怎么出名。牛津搭配〔unknown〕The author is virtually unknown outside Poland.在波兰以外，这位作者实际上鲜为人知。牛津高阶〔unknown〕The award went to a relative unknown.这个奖被一个名不见经传的人拿走了。麦克米伦高阶〔unknown〕The championship was won by a complete unknown.一个名不见经传的人赢得了冠军。牛津搭配〔unknown〕The disease is as yet unknown in Europe(= there have been no cases there).这种疾病至今尚未在欧洲出现过。牛津高阶〔unknown〕The exact number of people carrying the virus is unknown.病毒携带者的准确数目还不清楚。剑桥高阶〔unknown〕The length of the war is one of the biggest unknowns.战争要持续多久是最大的未知数之一。外研社新世纪〔unknown〕The man's identity remains unknown.这名男子的身分还是个谜。牛津高阶〔unknown〕The motive for the killing is unknown.杀人动机不明。柯林斯高阶〔unknown〕The murderer's identity remains unknown .杀人凶手身份仍然不明。朗文当代〔unknown〕The victim's attacker was unknown to her.受害人不认识袭击她的人。韦氏高阶〔unknown〕These sites remain largely unknown to the British public.这些场所基本上一直不为英国公众所知。牛津搭配〔unknown〕This drug was practically unknown in Britain.这种药在英国几乎不为人知。牛津搭配〔unknown〕We're facing too many unknowns.我们要面对太多的未知因素。韦氏高阶〔unknown〕What the weather will be like on the day is, as always, the great unknown.到时天气会怎样一向都是个未知数。牛津搭配〔unusual〕The arrival of a taxi was unusual enough; an unknown woman getting out of it was sensational.来了辆出租车就够奇怪的了，从里面出来个陌生女子就更令人感到惊讶。牛津搭配〔venture〕As we set off into the forest, we felt as though we were venturing (forth) into the unknown.当我们动身进入那片森林时，感觉自己似乎正在冒险进入一个未知的世界。剑桥高阶〔violate〕She was attacked and violated by an unknown intruder.她被一个来历不明的歹徒袭击并强奸。韦氏高阶〔virtually〕He was virtually unknown before running for office.他在参加竞选之前几乎默默无名。朗文当代〔virtually〕That illness is virtually unknown in this area.这种病在这一带几乎无人知晓。韦氏高阶〔wager〕Stipes wagered all his money on an unknown horse.斯蒂普斯把他所有的钱都押在一匹不出名的马上。朗文当代〔whereabouts〕Her present whereabouts are/is unknown.她目前依然下落不明。韦氏高阶〔whereabouts〕The present whereabouts of the manuscript is unknown.手稿目前下落不明。牛津搭配〔writing〕His fate at this writing still was unknown.他的命运直到写本文时仍然不明。英汉大词典〔x〕An unknown or unnamed factor, thing, or person.未知之（人）物：不知道的或未命名的因素、物体或人美国传统A generation (= That period of time) ago, home computers were virtually unknown.大约三十几年前，家庭电脑实际上还不为人所知。剑桥国际As recently as six months ago her name was almost unknown in Britain.就在6个月之前，她的名字在英国还几乎是无人知晓的。剑桥国际As we set off into the forest, we felt as though we were venturing forth into the unknown.我们动身进入那片森林时，仿佛感觉到冒险进入了一个未知的世界。剑桥国际He was an unknown novelist then. 当时他是位不出名的小说家。译典通His greatest danger now lay in the unknown denizens of the water. 现在他最大的危险是未知的水中居住者。译典通His precise whereabouts is unknown.他的确切所在地尚不知道。剑桥国际I don't know what went wrong with our relationship, but somewhere along the line (= at an unknown moment during the relationship) we just stopped loving each other.我不知道我们的关系到底怎么了，但不知什么时候起我们已不再喜欢对方了。剑桥国际I seem to have acquired (=obtained by unknown means) two copies of this book.这本书我好像已经弄到了两册。剑桥国际If it wasn't for the assistance of that unknown samaritan, I might still be stuck on the country road.要不是那位不知名的好人的帮助，我或许现在仍被困在乡间公路上。剑桥国际It remains unknown which country will host the international tennis tournament. 现在仍不知道哪个国家主办国际网球锦标赛。译典通It's the big unknowns that make insurance companies uneasy.使保险公司不安的是不可预测的重大的事情。剑桥国际Just where she kept in Boston is unknown to history. 她在波士顿到底住在什么地方，历史上无人知晓。译典通Life can be likened to a journey with an unknown destination. 人生就好比一场不知终点的旅行。译典通Nuclear fusion has taken physicists into uncharted seas/territory/waters (= a new and unknown area).核聚变将物理学家们带入了全新的未知领域。剑桥国际Our aim is to make it easier for young unknown artists to show their work (= make it available for the public to see).我们的目的是方便年轻不知名的艺术家展示作品。剑桥国际Racism is in some ways just a fear of the unknown (= what is not familiar or known to you).在某种意义上，种族主义只是对未知事物的恐惧。剑桥国际She refused to assist at the reception for reasons unknown. 不知什么缘故她不肯出席招待会。译典通The National Ballet sacked its director and appointed someone unknown in his stead.国家芭蕾舞团解雇了导演，任命了个不知名的人来接替他。剑桥国际The author had been an unknown until he published his recent book. 这位作家一直是个默默无闻的人，直到最近出版了他的一本书。译典通The cause of stuttering speech is unknown, but several physiological, genetic and psychological factors have been implicated.口吃的原因还不清楚，但牵涉几个生理的、遗传的和心理的因素。剑桥国际The director took a calculated risk in giving the film's main role to an unknown actor.导演故意冒险让一位不知名的男演员担任主角。剑桥国际The doctors have attributed the cause of the illness to an unknown virus.医生们把这种疾病的起因归于一种未知的病毒。剑桥国际The film is the ultimate sentimental journey, a trip back to the days when the sun seemed to shine all the time and family quarrels were unknown.这部电影是最崇高的感情历程，回到了似乎整日阳光灿烂，没有家庭争吵的日子。剑桥国际The football game was won by a sleeper, an unknown new player. 足球比赛爆冷门，有一匹黑马赢球了，是一个名不见经传的新球员。译典通The investigation was tabled for reasons unknown. 不知何故调查延缓进行。译典通The new teacher is still very much an unknown quantity but we have hopes that he will be a valuable member of our team. 新教师是谁现在还难以预料，但我们希望他会成为我们队里的重要一员。译典通The novel starts when a child of unknown parentage is left at the house of the local priest.小说是以一个双亲不明的孩子被寄养在当地牧师家开始。剑桥国际The ownership of the house is still unknown. 这栋房子的所有权至今无人知道。译典通The underlying reason for the failure remains unknown. 失败的根本原因尚未搞清。译典通We bought a drawing by an unknown artist. 我们买了一幅某个不出名的画家所作的画。译典通We use x as the symbol for an unknown quantity. 我们用ｘ表示一个未知数。译典通 |
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