If you laugh, I'm going to assume you are laughing at me.

如果你们在笑,我会假设你们在笑话我

耶鲁公开课 - 基础物理课程节选

I know you don't remember that far back, but in about the second lecture I made a joke of Professor Guttag which, you know, you didn't laugh at, he didn't laugh at, that's okay.

我知道你们可能不记得了，但是在大约是第二节课,我对Guttag开了个玩笑，你们懂得，你们没笑，他也没笑，这没什么。

麻省理工公开课 - 计算机科学及编程导论课程节选