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

比如它不断清除我答录机上留言，就是不小心吧。

I forgot my briefcase, you know, by accident.

我忘了拿公事包，不小心。

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

是这些积极效应布面广并非巧合。

Most people stumble into chronic loneliness by accident.

大人渐渐地产生了慢性孤独感。

Chang'e, Houyi's wife, drank the elixir by accident and became immortal.

嫦娥，后羿妻子，因误食神丹而羽化成仙。

He didn't mean to discover Post-it notes - he made them by accident.

他没想过要发明便利贴，是他意外地发明了。

And perhaps surprisingly it was discovered by accident... twice.

也许令人惊讶是，它是偶然被发现，还是两次。

Very few people do it successfully and some of them do it by accident.

很少有人能成功做到这一点，有些人是瞎蒙到。

Iowa ended up being the first caucus by accident though.

然而，爱荷华州却意外地举办了了第一个预选会议。

They're usually discovered on accident by reindeer herders or during helicopter flights of the area.

它们通常由驯鹿牧民偶然发现，或是由直升机飞越该地区时发现。

It was actually discovered, by accident, in 1938.

实际上，它是在1938年被偶然发现。

In 1947, a shepherd boy discovered the first of these manuscripts by accident.

1947年，一个牧童偶然发现了第一份手稿。

To say something by accident that will upset somebody.

无意说了使某人不高兴话。

So it seemed that by mixing art and tech, I created something innovative by accident.

看起来我通过把艺术和科技加在一起，意外创造了创新东西。

As a matter of fact, I landed in Britain by accident.

事实上，我在英国上岸是偶然。

Not all such mishaps happened by accident.

并非所有这些事故都是意外发生。

We discovered you quite by accident during routine surveillance of your world.

我们在例行监视你们星球时候偶然发现了你。

Paul broke a window by accident, they were all drinking a lot.

保罗偶然打破了一扇窗户，他们时都喝多了。

Model organisms tend to happen by accident.

模型生物往往是偶然产生。

And so many friendships fade for lack of attention, often by accident.

因此许多友谊经常因为无意忽视而黯淡。