你知道你知道什么。

You don't know what you know.

youdao

我要是知道点儿什么，我肯定告诉你，可我不知道。你现在说的对我还是新闻呢。

I'd certainly tell you if I knew anything, but I don't. What you're saying is news to me.

《柯林斯英汉双解大词典》

当我告诉你，我多年来都不知道什么是真正的快乐时，我知道你相信我。

I am sure you believe me when I tell you that I have not known any real joy for years.

youdao

It's very simple. It's this: if I know what I'm doing, it is almost inevitably the case that you would know also.

实际上十分简单：,如果我知道我创作的是什么，那么你很可能也知道我创作的内涵。

普林斯顿公开课 - 人性课程节选

So you know, that's not a class that MIT is... subject MIT is typically known for, but we have everything, so...

你知道，麻省理工学院没有什么特别出名的课程，但是我们的课程涵盖一切领域。所以……

求学热十足的学校 - SpeakingMax英语口语达人

And if you pay attention to the smallest things while knowing what's important, then everything else takes care of itself.

如果你注意到了最小的东西,并且知道什么是重要的，那么任何其他事情都会自然而然地好起来。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选