我不是故意打碎它的—这是个意外。

I didn't mean to break it— it was an accident.

《牛津词典》

这是个意外呢，还是戴维故意干的？

Was it an accident or did David do it on purpose?

《柯林斯英汉双解大词典》

若非意外或故意，发生这种情况的可能性很小，但值得一查。

The possibility of this is low, unless by accident or intention, but it pays to check.

youdao

It turns out they're relatively simple to find even -- when they've been deleted whether accidentally - or in some cases intentionally-- that too is part of the job undeleting things that people had deleted.

原来，这些图片的模式很容易找到,即使他们已经被删除,无论是因为意外还是有人故意为之-,要恢复已删除的东西,需要做这部分的工作。

哈佛公开课 - 计算机科学课程节选