脱口说英语口语生活习语
B-9:be off one's head 变疯狂
A: You want to go with him? A:你要和他处朋友?
B: Yes! B:是呀!
A: Then you muse be off your head. He is a real bastard. A: 那你肯定是疯了,这小子最不是东西了。