I took your bag instead of mine by mistake.

我不巧错拿了你的包。

《牛津词典》

He opened Ingrid's letter by mistake.

他误拆了英格丽德的信。

《柯林斯英汉双解大词典》

He drilled through the wall by mistake.

他误将墙壁钻穿了。

《牛津词典》

Maybe I made a big mistake by likening it to an organic chemistry course-- I don't mean to turn you off.

也许将其比作有机化学课,是个错误,我不是故意想倒你们胃口的

耶鲁公开课 - 金融市场课程节选

I would recite, whatever, the Articles of Confederation I would rise on my hind legs, quaking in my boots, and I would begin until I made a mistake, whereupon I would be castigated, berated, totally stripped of self-esteem by this monster who would that inflict the same pain on somebody else.

我会背，比如说，联邦条例,我会抬起我的后腿，它在靴子里颤抖，然后开始背，直到犯错，于是，我就会被批评严惩，自尊完全被这个怪物践踏了,他对其他人也会如此加注痛苦。

麻省理工公开课 - 固态化学导论课程节选

My elbow hit the add-your-entire-Documents-folder-to-your-Pictures-file button by mistake?

FORBES: Windows 7 Experience

Later units will have Global Positioning System chips to eliminate the common mistake--caught by software on Bolofsky's site--of failing to match the street address to a written description of where a car was parked.

FORBES: Get Your Tickets Fixed

Longford went straight upfield and a mistake by stand-in goalkeeper Alan Petterson allowed defender Ferguson to equalise.

BBC: Derry crash to Longford