He gave me detailed instructions on how to get there.

　　他詳細地告訴我如何去那里。

　　Do you know how to form the past tense?

　　你知道怎樣構成過去時嗎？

　　She knows how to make life miserable for her employees.

　　她知道如何整治她的雇員。

　　Ask me if you're not sure how to do it.

　　你要是拿不準怎么干，就問我。

　　He's still learning how to dance.

　　他仍在學怎樣跳舞。