blunder [ˈblʌndə(r)]

以下由轻松背单词网站提供

n.错误；vi.跌跌撞撞地走，慌乱地走，犯错误

a big mistake , usually caused by not taking care or thinking

I saw that I had been guilty of a careless blunder. 我意识到自己因疏忽而酿成大错。
He has made a terrible blunder. 他铸成大错。