I've been teaching long enough to know that doing derivations in class is equivalent to pouring ice water on the proceedings, so I do this sparingly.

我已经教了这么长时间书,所以我知道在课堂上讲推导,就好像泼冰水一样，所以我在讲这个的时候很小心。

麻省理工公开课 - 固态化学导论课程节选

And as you're busy calculating all this, you're walking across Chapel Street and you get hit by a truck and you die.

然而就在你一边忙于计算这个数字，一边经过雅普街的时候,你可能会被一辆卡车撞死。

耶鲁公开课 - 死亡课程节选

At that instant, if you leave anything on the floor, you know it's no longer yours.

这个时候,如果你掉了些什么在地上,它就不再是你的了

耶鲁公开课 - 基础物理课程节选

It's like the part of the brain that's responsible for language learning is only around early in development and if you don't get your language by then it'll just run out.

就好像负责语言学习的大脑区域,只是在发展的早期比较活跃,如果你没有在这个时候获得语言,那你就没有机会了

耶鲁公开课 - 心理学导论课程节选

Now that's not a very realistic assumption and we are going to come back and challenge it at the end of semester, but this will be complicated enough to give us a lot of material in the next ten weeks.

这不是一个很符合实际的假设,在期末的时候我们再来推翻这个假设,但是就这个假设下的内容,就足够我们接下来的十个星期学的了

耶鲁公开课 - 博弈论课程节选

But Ian Hacking, being a good historian, thought that someone must have had some concept of probability going before even if they didn't quote it as a number the way-- it must have been in their head or in their idea.

但是这位优秀的历史学家伊恩·哈金认为,一定有人在更早时候就用过概率这个概念,即便他们没有用数字来表述,但他们一定有过类似的想法

耶鲁公开课 - 金融市场课程节选

So we've seen a lot of this, for instance, in office hours and maybe you too have done or are currently doing this, but there's a problem with writing a statement, like print F, followed by, get int, alone.

我们看过很多这个，例如，在办公时间,可能你们做完了或还在做这个，但是写语句的时候有个问题，就像printf，紧跟着的是GetInt，单独的。

哈佛公开课 - 计算机科学课程节选

What I want this class to be is a class where at least sometimes, like on this homework assignment, I set up a model for you, set up the story for you, and then you have to actually figure out how do I set this up properly and how do I solve it out?

我希望这个课程是至少在某些时候,就像这次家庭作业,我为你们设定一个模型,设定故事情节,然后由你们自己实际操作,如何恰当地设计并解决它

耶鲁公开课 - 博弈论课程节选

Now, you might think, ? well, didn't we already discuss that when we started thinking about variability?

现在你可能会想，我们不是已经谈过这个了吗,就在我们开始讨论死亡可变性的时候？

耶鲁公开课 - 死亡课程节选

Maybe the argument goes wrong by assuming that identity--when A is equal to B, it's always equal to B, no matter what.

也许这个论证就错在,假设了同一性,即当A等于B的时候,它总是等于B,无论情况如何

耶鲁公开课 - 死亡课程节选