knows是什么意思

She knows how to make life miserable for her employees.

她知道如何整治她的'雇员。

She knows the local area very well.

她非常了解这地区的情况。

She knows all the right people.

她认识所有那些关键人物。

I can't help thinking he knows more than he has told us.

我总觉得他没把他知道的事全告诉我们。