know it all
US /noʊ ɪt ɔl/
UK /nəʊ ɪt ɔːl/
名词
万事通, 自作聪明的人
a person who acts as if they know everything and are always right
示例:
•
He's such a know-it-all, always correcting everyone.
他真是个万事通，总是纠正别人。
•
Nobody likes a know-it-all at the meeting.
会议上没人喜欢自作聪明的人。