I forgot my briefcase, you know, by accident.

我忘了拿公事包，不小心的。

He accidentally hit his thumb with the hammer.

他不小心用铁锤敲着了拇指。

Ah, this? I guess I must have tripped.

这个啊？刚才不小心弄伤了。

To not be careful, to throw caution to the wind.

不小心，不顾一切。

Although I did sit down where there wasn't a chair.

不过我不小心摔到地上。

Oh, it's only a scratch through my own clumsiness.

只是自己不小心擦伤的。

And haply of our old acquaintance tell.

或不小心透露了我们旧有的交情。

Well, I may have accidentally insinuated that she is getting chubbier .

嗯，我可能不小心暗示她越来越胖了。

He hit me with his hand by accident.

他不小心用手打了我。

He'd accidentally flipped on the face filters.

他不小心使用上了面部滤镜。

Incidentally, I have glanced over your latest account of my work.

我不小心看了你最近给我工作写的日。

I'm forgetting how much you knew.

不小心坦白过头了。

Many people were not careful during their travels.

许多人在旅行时都不小心。

And you've just accidentally fallen into it.

而你恰好不小心掉了进去。

So you just happened to leave it in here?

所以你不小心留收据在这里？

She accidentally lost her disability certificate last year.

去年她不小心遗失了残疾证。

Notice how I had yet to mention the name of my coworker to Ben.

不小心把同事的名字说出来。

Accidentally took an errant package to the head.

不小心被包裹砸到脑袋了。

Guess you threw it away by accident.

应该是你不小心掉的吧。

" Hagrid might have set it off accidentally."

“海格可能会不小心泄露出去的。”