By what means could it have been so long concealed?

它是用什么方法隐藏了这么久的？

By what means could Lipsius have known the particular day, and the very train that Mr. Headley was to take?

利普修斯通过什么方式知道具体的日子， 以及海德利先生要乘坐的火车？

Show by what means Thoreau magnifies the battle of the ants so as to decrease the difference between ants and men.

1. 说明梭罗是如何放大蚂蚁的战斗以缩小蚂蚁与人之间的差异。

But before I take this step, Ambrosio, give me your solemn oath never to enquire by what means I shall preserve myself'.

但在我迈出这一步之前，安布罗西奥，请向我庄严宣誓，永远不问我要用什么方法来保护自己。”

It came alive into the world; But I knew not how to treat it, or by what means to preserve its existence.

它活生生地来到这个世界上； 但我不知道如何对待它， 也不知道用什么方法来维持它的存在。

I became imbued with the notion on that first occasion before we sat down to dinner, but I cannot define by what means.

在我们坐下来吃饭之前，我第一次被这个概念迷住了，但是我不能用什么方法来定义。

'May I not enquire, ' said I, 'by what means you are in possession of a secret which I have carefully concealed from the knowledge of everyone'?

“我可不可以问问，”我说，“你是通过什么方式知道我小心翼翼地隐瞒起来不让所有人知道的秘密的？”

The OSCE monitors say that to verify any pullout, they would need to know the number of weapons, where they were being taken and by what means, and they did not have that information.

欧洲安全与合作组织观察员称要证实任何撤离行动，他们需要知道武器的数量，从哪里取的武器，以及通过什么手段，而他们并没有这些信息。

When the first burst of maternal tenderness was over, I besought her to declare, by what means She had been united to a Man whose principles seemed so totally discordant with her own.

当第一次母性的柔情爆发后， 我恳求她声明， 她是通过什么方式与一个原则似乎与她的原则完全不一致的男人结合在一起的。

I had always a strong impulse that I should some time recover my liberty, though it was impossible to conjecture by what means, or to form any project with the least hope of succeeding.

我总是有一种强烈的冲动，希望有一天能重获自由，尽管无法推测通过什么方式，也无法形成任何成功希望渺茫的计划。

Night and day, while the resurgent threatening past was making a conscience within him, he was thinking by what means he could recover peace and trust — by what sacrifice he could stay the rod.

日日夜夜，当死灰复燃的威胁性过去在他心中产生良知时，他在想他可以用什么方法恢复和平与信任——通过什么牺牲，他可以保持杖。

" Where shall we meet? By what means? We shall always be having the brat on our hands, and the servant, the neighbours, and husband, all sorts of worries. Pshaw! one would lose too much time over it" .

" 在哪里会面？ 怎么要她来？ 她还要不断管孩子、女仆、邻居、丈夫，各种各样的头痛事。 去他的吧！ 太花时间了！"

Both were convinced that the purposed elopement must have been discovered: They doubted not but the malady of Agnes was a pretence, But they knew not by what means to rescue her from the hands of the Prioress.

两人都确信蓄意私奔一定已经被发现：他们不怀疑艾格尼丝的病是假的， 但他们不知道用什么方法可以把她从女院长手中救出来。