I forgot my briefcase, you know, by accident.

我忘了拿公包，不小心。

Like, he keeps erasing the messages on my machine, supposedly by accident.

比如它不断清除我答留言，就当是不小心吧。

Most people stumble into chronic loneliness by accident.

大部分人渐渐地产了慢性孤独感。

Not all such mishaps happened by accident.

并非所有这些故都是意外发。

Model organisms tend to happen by accident.

模型物往往是偶然产。

And it was discovered totally by accident.

而它发现则完全是个意外。

I got into Hacker almost by accident.

我几乎是偶然间进入骇客公司。

" I heard of it quite by accident."

“我完全是在意外情况下得知这件。”

He came to the topic by accident.

他是在偶然情况下发现这个话题。

Yeah, it was kind of by accident.

是啊，有点意外。

Leave your phone at home by accident.

不经意地把手留在家里。

Guess you threw it away by accident.

应该是你不小心掉吧。

It was actually discovered, by accident, in 1938.

实际，它是在1938年被偶然发现。

But these positive affects didn't become widespread by accident.

但是这些积极效应分布面广并非巧合。

This body of water is here by accident.

让我来解释。

He hit me with his hand by accident.

他不小心用手打了我。

These fat-based stem cells were discovered by accident.

这些脂肪基干细胞是偶然被发现。

Or I added an extra note by accident.

要么就是意外地加了音符。

Oh. - Did you pull that one by accident?

哦 - 你是随抽到那个吗?

I spilled them down the drain by accident.

我把它们冲进水管里了，不小心。