Blunder 解释：

词性：名词，动词

音标：[ˈblʌndər]

中文翻译：

名词：失误，愚蠢的错误，严重错误。

动词：犯错误，做错事，跌跌撞撞。

词义：

名词：指由于愚蠢或粗心大意造成的严重错误或失误，通常是难以弥补的错误。

动词：指由于不小心、疏忽或愚蠢的行为而犯错误，或做事时出错。

用法：

名词：She made a huge blunder during the presentation. (她在演讲中犯了一个大错误。)

动词：He blundered into the wrong room. (他误入了错误的房间。)

例句：

He blundered in his calculations and missed the deadline. (他在计算时犯了个大错误，错过了最后期限。)

The politician's blunder cost him the election. (这位政治家的错误让他失去了选举。)

I can't believe I made such a blunder! (我简直不敢相信自己犯了这么大的错！)

She blundered through the maze, not knowing where she was going. (她在迷宫里胡乱走，完全不知道自己要去哪里。)

His blunder was so obvious that everyone noticed. (他的失误太明显了，大家都注意到了。)

I was trying to fix the problem, but I just blundered more. (我试图解决问题，但我反而犯了更多的错误。)

The chef made a blunder in the recipe, and the dish tasted awful. (厨师在食谱上犯了个错误，结果菜肴味道糟糕。)

It's a blunder to ignore such an important detail. (忽略这么重要的细节简直是个大错。)

He blundered into the argument and made everything worse. (他误入了争论，反而让事情变得更糟。)

She made a blunder by forgetting to send the email. (她犯了个错误，忘记发送邮件。)

短语搭配：

Blunder on：继续犯错误

Make a blunder：犯错误

Blunder into：不小心进入（某个地方）或陷入（某个困境）

相关表达：

A huge blunder：一个巨大的错误

A costly blunder：代价惨重的错误

总结：
"Blunder" 是指一种愚蠢或粗心大意所导致的重大错误，常常带有难以弥补的后果。作为动词时，意味着犯错误或做事失误。