I don't want you to get all frustrated and fail to show what you know, so here are a couple of tips.

我不希望你受到挫折,由于失败而不能体现你所知道的，因此这儿有一些小提示。

麻省理工公开课 - 固态化学导论课程节选

And the reason that quantum mechanics is going to work where classical mechanics fails is that classical mechanics did not take into account the fact that matter has both wave-like and particle-like properties, and light has both wave-like and particle-like properties.

上发生的行为,量子力学得以成功,而经典力学却失败的原因,是因为经典力学,不能包容物质的，波动性和粒子性,和光的波动性和粒子性。

麻省理工公开课 - 化学原理课程节选

By our informal count, however, we and the Afghan commandoes we work with were stopped on 70 percent of our attempts because we could not achieve the requisite 11 approvals in time.

粗略估算了一下，与我们一道工作的阿富汗突击队,有70%的尝试都失败了,因为我们不能按时拿到所需的11个批准。

普林斯顿公开课 - 国际座谈会课程节选

should we conclude therefore, given that we've got the premise, "If you can't picture it or imagine it, then you can't believe in it," since I've just said, look, you can't imagine being dead, but that's not due to any failure of imagination, that's because there's nothing there to imagine or picture.

于是我们就应该基于这个前提，想象不了的东西就不能相信，得出结论吗“,我刚才已经说过，人不能想象自己的死亡，不是因为想象的失败，而是本来就没有东西可以想象。

耶鲁公开课 - 死亡课程节选

While I was there, many many of people said to me: look, we want you to succeed we believe you mind your doing, we know you have good intentions and we hate these people when they were in power, but we have to live here, t succeed, and many people have come here and not succeed before you.

当我在那边的时候，很多人对我说：,我们想要你成功，我们知道你很在意你所做的事，我们知道你是好意的，恨这些掌权的人，但是我们得在这里生活，如果你不能成功，在你之前也有很多人失败了，and，if，you，can’

普林斯顿公开课 - 国际座谈会课程节选