wise guy
noun/ˈwaɪz ɡaɪ/
/ˈwaɪz ɡaɪ/
- (especially North American English, informal, disapproving) a person who speaks or behaves as if they know more than other people
自以为无所不知的人；万事通 - OK, wise guy, what do we do now?
好了，万事通，我们现在该怎么做呢？
- OK, wise guy, what do we do now?
- (US English, slang) a member of the Mafia
黑手党成员