| 单词 | 无法确定 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔BUY〕Without research we can't be sure of the size of our market or even who our market is. 没有市场调查我们就无法确定我们的市场大小，甚至连哪些人是我们的顾客也不知道。朗文写作活用〔CHANGE/NOT CHANGE〕I'm not sure Ken's adaptable enough to take a job abroad. 我无法确定肯能否适应国外的工作。朗文写作活用〔FIRST〕I wasn't sure whether the portrait was an excellent copy or the original. 我无法确定这幅肖像画是出色的临摹本还是原作。朗文写作活用〔a week〕You can never be sure what will happen from one week to the next.你永远无法确定下周会发生什么事。韦氏高阶〔ambivalence〕Uncertainty or indecisiveness as to which course to follow.摇摆，举棋不定，犹豫不决：在采用哪条道路的问题上无法确定或犹豫不决美国传统〔ascertain〕We're unable to ascertain who the owners are.我们无法确定所有者是谁。外研社新世纪〔assign〕Detectives have been unable to assign a motive for the murder.侦探们一直无法确定谋杀的动机。剑桥高阶〔authorship〕The authorship of this love poem cannot be established.这首情诗的作者无法确定。文馨英汉〔certainty〕Scientists still do not know with any degree of certainty why the disease spread so quickly.科学家们仍无法确定这种疾病迅速传播的原因。韦氏高阶〔certainty〕There seems to be a lack of certainty over what we should do.看来我们应该做什么还无法确定。牛津搭配〔certain〕I'm not certain who was there.我无法确定谁当时在场。牛津高阶〔certain〕It is by no means certain that the deal will be accepted.还无法确定这笔交易会被接受。朗文当代〔cool〕For once I felt uncertain about my real feelings. I decided to play it cool.我平生第一次无法确定自己的真实感觉，于是便决定泰然处之。牛津搭配〔cot death〕Doctors still aren't sure what causes cot deaths.医生们仍旧无法确定导致童床死亡的原因。外研社新世纪〔dateless〕So ancient that no date can be determined.年代不可考的：古老得无法确定日期的美国传统〔date〕Archaeologists have been unable to date these fossils.考古学家无法确定这些化石的生成年代。剑桥高阶〔date〕You cannot date the carving and it is difficult to date the stone itself.无法确定这一雕刻的年代，连石头本身的年代都难以判断。柯林斯高阶〔determine〕They are unable to accurately determine the ship's position at this time.他们目前还无法确定船的准确位置。韦氏高阶〔doubtful〕It was doubtful whether the patient would survive the operation, 病人能否挺过这次手术还无法确定。朗文当代〔establish〕I was never able to establish whether she was telling the truth.我根本无法确定她是否在说实话。朗文当代〔far from〕It is far from certain that the strike will be settled soon.现在完全无法确定这场罢工是否会很快平息。韦氏高阶〔happen〕We cannot say for sure what will happen.我们无法确定会发生什么事。柯林斯高阶〔keep up your end〕I'm never sure if she will keep up her end of the deal.我无法确定她是否会对这笔交易信守承诺。韦氏高阶〔localize〕I can't localize the trouble.我无法确定哪里出了问题。外研社新世纪〔localize〕The reporter can't localize the trouble.这位记者无法确定出事地点。英汉大词典〔locate〕We couldn't locate the source of the radio signal.我们无法确定无线电信号的来源。朗文当代〔location〕He couldn't pinpoint her exact location because of some kind of interference.由于某种干扰，他无法确定她的准确位置。牛津搭配〔pin sth down〕We can't pin down where the leak came from.我们无法确定哪里发生了泄漏。剑桥高阶〔pinpoint〕Emergency workers at the site are still unable to pinpoint the cause of the explosion.现场的急救人员仍然无法确定爆炸的原因。剑桥高阶〔pinpoint〕It was impossible to pinpoint the exact position of the ship.根本无法确定该船只的准确位置。麦克米伦高阶〔position〕No one was sure of his position on any issue.对任何一个问题，大家都无法确定他的立场。麦克米伦高阶〔question〕With the loyalty of key military units in question, that could prove an extraordinarily difficult task.由于无法确定关键军事部队忠诚与否，这项任务也许会变得异常困难。柯林斯高阶〔secure〕Despite making several good jokes, he could not secure the goodwill of the audience.尽管他说了几个有趣的笑话，但是仍无法确定观众是否接受他美国传统〔set back〕It has set us back in so many respects that I'm not sure how long it will take for us to catch up.这已经在这么多方面给我们造成了延误,我都无法确定我们要花多长时间才能赶上。柯林斯高阶〔start〕We're not sure what starts the process off.我们无法确定是什么开始这一进程的。朗文当代〔stone〕He could not tell whether the floor was wood or stone.他无法确定地板是木头的还是石头的。柯林斯高阶〔sure〕It is impossible to be sure about the value of land.土地的价值是无法确定的。柯林斯高阶〔unadulterated〕People injecting drugs can never be sure that they're using unadulterated substances.注射毒品的人永远无法确定他们用的是否为纯品。剑桥高阶〔uncertain〕His research into the incident has left him uncertain as to exactly where responsibility lay.对该事件作了调查研究后，他无法确定究竟是谁的责任。牛津搭配〔uncertain〕Whether diet is an important factor in this illness is still uncertain.饮食是否是这种病的重要致病因素仍然无法确定。牛津搭配〔unresolved〕They are bound to lose; the only unresolved question is how much.他们注定要输了；现在唯一无法确定的问题是他们会输多少。外研社新世纪Archaeologists have been unable to date these fossils (= say how old they are).考古学家还无法确定这些化石的年代。剑桥国际Exactly when the potato was introduced (in)to Europe is uncertain but it was probably around 1565.马铃薯引入欧洲的具体时间无法确定，但可能是在1565年左右。剑桥国际She's not sure if she'll be able to meet us for a drink tonight. 她无法确定今晚是否能和我们一起去喝一杯。剑桥国际Simon isn't sure whether he'll be able to come to the party or not. 西蒙无法确定他是否能来参加晚会。剑桥国际We are, as yet, unable to pinpoint the source of the transmissions.我们还无法确定信号的来源。剑桥国际 |
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