His family moved to the countryside for the sake of his son’s health.他一家为了他儿子的健康而搬到乡下去。
Help yourself. 别客气。
He betrayed his friend for money’s sake.他为了钱而出卖自己的朋友。
Go ahead, make my day. 放马过来吧!
Give me a hand! 帮我一个忙!
Give me a break! 饶了我吧!
Give him the works! 给他点教训!
Don’t call us, we’ll call you. 请等通知。