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

He said that the tax was a major political blunder. 他称这项税收政策是一大政治错误。

I made a blunder by getting his name wrong. 我一疏忽，弄错了他的名字。

Synonyms: foul-up pratfall

to move in an awkward way

I could hear him blundering around in the darkness. 我能听见他在黑暗中踉踉跄跄地四处乱撞。

to make a serious mistake, usually because of not taking care or thinking

Police blundered by not releasing more details about the case to focus public interest. 警方因没有提供更多的详细案情以引起公众的关注而酿成了大错。