toot your own horn
US /tuːt jʊər oʊn hɔrn/
UK /tuːt jʊər oʊn hɔrn/

1.
自吹自擂, 自我吹噓
to boast about one's own achievements or talents
:
•
He's always tooting his own horn about how well he did on the project.
他總是自吹自擂他在項目上做得多好。
•
It's okay to toot your own horn sometimes, especially when you've achieved something great.
有時自吹自擂是可以的,特別是當你取得了偉大的成就時。