(as) proud as a peacock

US /əz praʊd əz ə ˈpiːkɑk/
UK /əz praʊd əz ə ˈpiːkɑk/
"(as) proud as a peacock" picture
1.

得意洋洋, 非常驕傲

very proud of oneself, often in a way that is considered arrogant or boastful

:
After winning the competition, he was as proud as a peacock.
贏得比賽後,他得意洋洋
She walked onto the stage, as proud as a peacock, to accept her award.
得意洋洋地走上舞台,接受她的獎項。