wise guy
US /ˈwaɪz ˌɡaɪ/
UK /ˈwaɪz ˌɡaɪ/
1.
自作聰明的人, 愛耍小聰明的人, 油嘴滑舌的人
a person who is irritating because they think they know everything and try to be clever
:
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Don't be such a wise guy, just answer the question.
別當個自作聰明的人，直接回答問題。
•
He always has a sarcastic comment, a real wise guy.
他總是說些諷刺的話，真是個自作聰明的人。