bloomer

n (Brit infml 口) serious mistake; blunder （严重的）错误; 大错: He made a tremendous bloomer. 他犯了个大错.

blood-red, blood-relation, blood-stained, blood-vessel, bloodhound, bloodily, bloodless, bloodshed, bloodshor, bloodshot, bloodstock, bloodstream, bloodsucker, bloodthirstily, bloodthirstiness, bloodthirsty, bloody, bloody-minded, bloody-mindedness, bloom, bloomers, Bloomfield Hills, blooming, blooper, blossom, blot, blotch, blotched, blotchy, blotter, blotting-paper, blotto, blouse, blow, blow in/blow into sth, blow off, blow one's nose, blow one's top, blow out, blow over, blow to pieces,