If someone does something bad to you, you should not do the same to him.

VOA: special.2009.07.26

People tend not to realize that the first question you should always ask yourself, is this really just something that's well-known in disguise?

已解决问题呢？,这是一个最短路径问题吗？,这是一个最近邻居问题吗？

麻省理工公开课 - 计算机科学及编程导论课程节选

but if you explain it to your friend that you or she should not have or should have done something,

如果你想要向你的朋友解释，或者她应该做某事的时候，

I should have 课堂 - SpeakingMax英语口语达人

You should not judge something only by its appearance.

VOA: special.2009.08.30

So I wanted to take a few excerpts from the course's syllabus since it's not an interesting document to walk through line by line, but something you should read at some point very is not so much where you end up relative to your classmates 2 but where you end up in week 12 relative to yourself in week 0.

我想从教学大纲中,挑几段来讲一下,逐字的阅读虽然没趣,但是你也应该在某些点注意一下,你跟你同学相比最终如何,而是当第12周的时候相比第0周2,你的收获如何。

哈佛公开课 - 计算机科学课程节选

that something you that you either did or did not do but should have done.

为一些你之前做过的或是本该做却没有做的事情表示遗憾。

I should have 课堂 - SpeakingMax英语口语达人

but rather when you're telling somebody that they should or should not do something.

而是用于告诉某人他们应该做或者不应该做某事。

I'm sure 课堂 - SpeakingMax英语口语达人

When you express regret for something that you should have, should not have done.

当你想表达某种悔意，对某事你本该做，或本不该做，

I should have 课堂 - SpeakingMax英语口语达人