know中文是什么意思啊

I don't know how you can say things like that.

真想不到你怎么会说出这种话来。

I know you did it ─ I just want to know why.

我知道这是你干的`，我只是想知道为什么。

I don't know how she puts up with him.

我不明白她怎么受得了他。

Does he know to come here first?

他知道要先到这儿来吗？

Had I known that I would never have come.

要是早知道，我绝不会来的。