Are you a wise guy? 你是一個驕傲自大的人嗎？
a wise guy 驕傲自大的人。這里的wise并不表示“聰明”，相反它含有諷刺的意味。
Alic's all right, I guess, but sometimes he's such a wise guy.
據(jù)我看，亞歷克這個人還不賴，不過有時候太狂妄自大了。
有時候本詞組還用于朋友之間的調(diào)侃：
Who's the wise guy that took my lunch box?
是哪位機(jī)靈的大爺拿走了我的飯盒？
Don't be a wise guy.
別自作聰明。