driver是什么意思啊

　　'Where to, buddy?' the driver asked.

　　“去哪兒，老兄？”司機問道。

　　"You're mad," the driver blurted out.

　　司機脫口說道：“你瘋了。”

　　The taxi driver revved up his engine.

　　出租車司機把發動機發動起來。