To patriots who are not members of organized resistance groups, I say: Continue your passive resistance, but do not needlessly endanger your lives.

VOA: special.2011.06.16

Do not come to your instructor and say, I've got a really good ticket but I'm leaving on the 13th.

不要去和你们的讲师说，我已经买好票了,但是我要在13号离开。

麻省理工公开课 - 固态化学导论课程节选

But if you say, well, I don't know how to do this, I am not going to bother, don't grade the paper.

但是如果你说，好吧，我不知道怎么做这个，我想麻烦，别给试卷评分。

麻省理工公开课 - 固态化学导论课程节选