So if you run into a problem set that just, you don't get, all right? Seek help. Could be psychiatric help, could be a TA. I recommend the TA.

所以如果你碰到了一个,你不懂的问题，好么？求助，可以是精神科，可以是一个助教，我推荐助教。

麻省理工公开课 - 计算机科学及编程导论课程节选

You know, I think that, don't be upset if you don't understand.

我想如果你看不懂，不必灰心。

要想成为读书达人 - SpeakingMax英语口语达人

And if you speak other languages that I don't, you can nonetheless compel me to speak them at least in subtitle form.

如果你不懂英语的话，那也只能,改变下字幕了。

哈佛公开课 - 计算机科学课程节选

If I'm saying something that you don't understand, the chances are pretty good that there's 25 or 50 other students in the class who don't understand it either.

如果我正说着什么你不懂的东西，那时就是举手的好机会,因为有25或50个别的学生,也不懂。

耶鲁公开课 - 死亡课程节选

Restriction enzymes have names, The names all look - they're all italicized and they're capital letters and small letters so that they won't be easy for you to understand, but they are - if you know the nomenclature, easy to understand.

限制性内切酶有自己的名字,名字看起来都很--,都是斜体的,大写小写字母混合,你们不太容易理解,但它们都是--如果你懂命名法,是很容易理解的

耶鲁公开课 - 生物医学工程探索课程节选