"In ancient Rome,the gladiators went into the arena with these words on their lips: let me win,but if I cannot win, let me be brave in the attempt.

VOA: special.2009.08.23

I cannot draw it that well, but imagine bringing the second point closer and closer to the first one.

我不能很好地把它画出来,但是你们可以想象,当第二个点,越来越靠近第一个点时

耶鲁公开课 - 基础物理课程节选

But once in a while, you know, you will come up with a reason that I just cannot argue with.

但有时候呢,你们确实会想出一些我无法辩驳的理由

耶鲁公开课 - 基础物理课程节选

"I thought I'd never utter these words but I agree with Gordon. You cannot put off this decision."

VOA: standard.2010.04.30

He says--and here's that Yeatsian word "all" again--he says: When I try to put all into a phrase I say, "Man can embody truth but he cannot know it."

他说，又是他涵盖一切的词：,当我想用一句话概括时，我说，人可以表现他不理解的真理“

耶鲁公开课 - 现代诗歌课程节选

But he said he is ready. "I cannot tell you exactly when I will be seated, but I think it will be early next week,"

VOA: standard.2009.06.30

Hopefully within two years, probably not next year, but within two years, there will be positive psychology class offered, but I certainly cannot guarantee it.

但愿两年内，明年可能性不大，但是两年内，学校会再次开设积极心理学课程，但我无法保证。

哈佛公开课 - 幸福课课程节选

But we cannot live forever, " which is why I would not live forever."

但是我们无法永远活下去，“所以我不会永远活下去“

耶鲁公开课 - 死亡课程节选

It's perfectly inscrutable as far as I'm concerned. But I think I can say with absolute certainty that one of its possible significances cannot be that the unprofitable servant should have waited to make his investment.

这对我来说很神秘，但我可以说,我很确信,它可能的含义之一,不会是让那个无益的仆人去等。

耶鲁公开课 - 弥尔顿课程节选