blow your own trumpet
自吹自擂，吹嘘自己的才能或成就
口语·用于谦虚地自夸或批评自大
英文释义
to boast about oneself or one's achievements
例句
I don't want to blow my own trumpet, but I did win the competition single-handedly.
典故来源
源自古代军队中号手吹号宣告胜利，引申为自我吹嘘。