1、I am sure you know how to do it but just a careless mistake.───我相信你知道怎么做，只是一不小心做错了。
2、He made a careless mistake.───他犯了一个粗枝大叶的错误。
3、A careless mistake cost the company millions of pounds.───粗心的错误使公司蒙受数百镑的损失。
4、I'm sorry for making such a careless mistake.───我为犯了这样一个粗心的错我向您道歉。
5、A careless mistake cost the company thousands of pounds.───一个粗心的错误使公司蒙受数百镑的损失。
6、I don't know how I made such a careless mistake.───我不知道我怎么会犯这么个愚蠢的错误。
a careless mistake（英语使用场景）
1、The organizer had put Dr P Baker's name on the list of speakers, but when the invitation list was being done, someone had made a careless mistake and had written 'Dr D Baker' instead.
2、A careless mistake cost the company millions of dollars.
a careless mistake（意思翻译）
粗心的错误
a careless mistake（相似词语短语）
1、careless whisper───无心快语（歌曲名）
2、spelling mistake───拼写错误
3、a big mistake───一个大错误
4、stupid mistake───愚蠢的错误
5、make a mistake───犯错误; 弄错
6、costly mistake───代价高昂的错误
7、fewer mistake───少犯错误
8、mistake───n.错误；误会；过失；vt.弄错；误解；vi.弄错；误解
9、careless───adj.粗心的；无忧无虑的；淡漠的；n.(Careless)人名；(英)凯尔利斯
a careless mistake（双语使用场景）
1、I am sure you know how to do it but just a careless mistake.───我相信你知道怎么做，只是一不小心做错了。
2、He made a careless mistake.───他犯了一个粗枝大叶的错误。
3、A careless mistake cost the company millions of pounds.───粗心的错误使公司蒙受数百镑的损失。
4、I'm sorry for making such a careless mistake.───我为犯了这样一个粗心的错我向您道歉。
5、A careless mistake cost the company thousands of pounds.───一个粗心的错误使公司蒙受数百镑的损失。
6、I don't know how I made such a careless mistake.───我不知道我怎么会犯这么个愚蠢的错误。
a careless mistake（英语使用场景）
1、The organizer had put Dr P Baker's name on the list of speakers, but when the invitation list was being done, someone had made a careless mistake and had written 'Dr D Baker' instead.
2、A careless mistake cost the company millions of dollars.