- (especially North American English, informal, disapproving)
a person who speaks or behaves as if they know more than other people synonym know-all自以爲無所不知的人;萬事通 OK, wise guy, what do we do now? 好了,萬事通,我們現在該怎麽做呢?
- (US English, slang)
a member of the Mafia 黑手黨成員