Margaret Smith, a leader in Washington society at that time, wrote a letter describing the scene: Ladies fainted, men were seen with bloody noses and such a scene of confusion took place as is impossible to describe - those who got in could not get out by the door again, but had to scramble out of windows.

VOA: special.2009.01.19

but he's also insisting that this is an incredibly difficult, if not impossible, moment of thought.

但他同时坚持，如果可能，这对思维来说也是一个极其艰难的时刻。

耶鲁公开课 - 文学理论导论课程节选

The similes work not to sew everything up but make it impossible for us to maintain anything like the official position on a moral distinction between heavenly good and satanic evil.

这些比喻不是为了简单的拼凑，而是让我们不能,维持住任何天堂之善与撒旦之恶之间的,清晰的官方界限。

耶鲁公开课 - 弥尔顿课程节选

But not seeing how it's possible is not the same thing as seeing that it's impossible.

但现阶段无法预见其可能,并不代表永远不可能

耶鲁公开课 - 死亡课程节选

It's actually not impossible, but hard, and there are a number of challenges.

事实上，它并非不可能，只是很艰难，要面对很多挑战。

耶鲁公开课 - 金融市场课程节选

It's not impossible but it's pretty unlikely.

不是完全不可能,只是可能性很低

耶鲁公开课 - 生物医学工程探索课程节选

But it's not impossible.

但这不是不可能的。

耶鲁公开课 - 死亡课程节选