I forgot my briefcase, you know, by accident.

我忘了拿公事包，不小心的。

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

比如它不断清除我答录上的留言，就当是不小心的吧。

Most people stumble into chronic loneliness by accident.

大部分的人渐渐地产了慢性的孤。

Not all such mishaps happened by accident.

并非所有这些事故都是意外发的。

Model organisms tend to happen by accident.

模型物往往是偶然产的。

And it was discovered totally by accident.

而它的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的。

" I heard of it quite by accident."

“我完全是在意外情况下得知这件事的。”

He came to the topic by accident.

他是在偶然的情况下发现这个话的。

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.

应该是你不小心掉的吧。

It was actually discovered, by accident, in 1938.

实际上，它是在1938年被偶然发现的。

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的。

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 - 你是随抽到那个的吗?

I spilled them down the drain by accident.

我把它们冲进水管里了，不小心。