但愿你知道你在做什么。

I hope you know what you are doing.

youdao

你知道你在做什么，主吗？

Do you know what you are doing Lord?

youdao

所以你知道你在做什么。

Then you know what you are doing.

youdao

Tell me I think you do a few case studies in this book or this grounded in different communities.

不妨讲讲，我知道你在书里做了些个案研究,或者说是在不同群体中做的。

普林斯顿公开课 - 人性课程节选

I don't know what the dates say, 1916, excuse me, and you can see what he's done.

我不知道具体时间了，1916年，不好意思，你能看到他在做什么了。

麻省理工公开课 - 固态化学导论课程节选

OK? Because what am I doing? It's called bubble sort because it's literally bubbling along, right?

明白了么？你要知道我在做什么,冒泡排序真的就像冒泡，对么？

麻省理工公开课 - 计算机科学及编程导论课程节选