I didn't get it. Somebody else will say, can you do number three on the homework for me?

我不懂，还有人会说，你能为我解答家庭作业的第三题吗？

麻省理工公开课 - 固态化学导论课程节选

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

Even if you're like me and you don't know a word of either language, they still sound different.

即使你像我一样,完全不懂这两种语言,它们听起来仍然是不一样的

耶鲁公开课 - 心理学导论课程节选

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

Say, Binky, I don't think dereferencing y is a good idea because, you know, setting up the pointee is a separate step and I don't think we ever did it.

你说，Binky，我不认为不关联y是一个好主意,因为，你懂的，调定指针数据是一个单独的步骤,我不认为我们这样做了。

哈佛公开课 - 计算机科学课程节选