She knows how to make life miserable for her employees.

　　她知道如何整治她的雇員。

　　She knows the local area very well.

　　她非常了解這地區的情況。

　　She knows all the right people.

　　她認識所有那些關鍵人物。

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

　　我總覺得他沒把他知道的事全告訴我們。