blunder
单词辨析：
指由于愚蠢或疏忽大意等造成的错误。
She made a terrible blunder when introducing the girl to her husband.
她把那个女孩介绍给她丈夫是犯了一个极大的错误。
指因愚蠢的行为犯下的过错。
I made a boob throwing that document away.
我犯了个愚蠢的错误，把那份文件扔掉了。
主要指干得拙劣、一塌糊涂的活儿。
I tried to make a great meal but only made a botch of it.
我试图做顿大餐，可是搞砸了。
指愚蠢的或令人难堪的过错。
He realized that mentioning her ex-husband was a bit of clanger.
他意识到提及她的前夫有点儿冒失，令人尴尬。
可指任何错误，包括笔误、印刷错误或计算错误，常可与 mistake 换用。
The government has committed a serious error/mistake.
政府犯下了严重的错误。
There are too many errors/mistakes in your spelling.
你拼写错误太多。
This is a grammatical error/mistake.
这是一个语法错误。
尤指很多人持有的错误观点或想法。
There was once a popular fallacy that the world is flat.
人们曾经普遍误以为地球是平的。
表示“缺点，毛病”时为可数名词；表示“过失，过错”时为不可数名词。
He is still an excellent politician despite the faults he's committed.
尽管他犯过一些错误，他仍是一名出色的政治家。
The minister is quite satisfied with his secretary because he can find no fault with her work.
部长对他的秘书很满意，因为她的工作无可挑剔。
指对发生的坏事负有的责任。
The boy behaved badly, but in fact the guilt lay with his parents.
这个男孩表现很不好，但实际上责任在于其父母。
指行为、看法、言辞等方面的错误。
I have made a mistake in grammar.
我犯了一个语法错误。
One silly mistake cost us the match.
一个愚蠢的错误使我们输掉了那场比赛。
指因犯愚蠢的错误而将某事搞糟，尤用于新闻报道。
Police totally bungled the investigation.
警察把调查完全搞砸了。
The ambush attempt was completely bungled.
这次伏击行动被彻底搞砸了。
指因粗心或愚蠢犯下较大的过错。
Government agents had blundered again and arrested the wrong man.
政府特工又犯下大错，抓错了人。
The father blundered badly when he gave up that job.
那位父亲犯了一个愚蠢的错误，就是他放弃了那份工作。
指因为不经心或缺少技术而把某事物搞糟，也常用作 botch up。
He tried to repair the door, but he really botched it up.
他试图修理房门，可是他一修更糟了。
She botched the dinner and the whole family had to eat out.
她把晚饭做坏了，全家只得出去吃。
属于较粗鲁的说法，指将某事愚蠢地搞砸，因而难以收拾。
The travel agent completely cocked up his arrangements for the summer vacation.
旅行社把他暑假的安排搞得一塌糊涂。
相关例句：
I fear lest we commit an inexcusable blunder.
我为我们会犯不可原谅的错误而担忧。
He made a blunder in front of his girlfriend.
他在女朋友面前犯了大错。
I think he made a tactical blunder by announcing it so far ahead of time.
我认为他在时机远未成熟时就把这事说了出去是一种失策。
This blunder, which is due to my ignorance, has cost me a pretty penny.
这次疏忽是我的无知，使我损失了不少钱。
The government committed a double blunder
政府重蹈覆辙。
His blunder would certainly queer his chances of promotion.
他犯的大错肯定会毁了他晋升的机会。