bloom.erMISTAKE HblU:7mE5, $-mL n [C] Br dated slang a silly or embarrassing mistake which does not have serious results 大错，愚蠢的错误 I made an awful bloomer when I introduced Mary's new boyfriend using her ex-husband's name. 我用玛丽前夫的姓介绍她的新男友，我犯了一个十分愚蠢的错误。