He is a fast talker.
他老是说得天花乱坠.
Drop dead.
走开点
What's eating you?
你有什么烦恼?
I'll back you up all the way.
我完全支持你.
Cut it out.= Go on. =Knock it off
不要这个样子啦~
Stop pulling my leg.
不要开我玩笑了.
Don't jump on me.
不要跟我发火.
It's on the house.
这是免费的.
He's down and out.
他已经完了.
That will be the day.
要有这么一天就好了.