I was doing a long, hard sum, and in rubbing out another sum to make room for it, I rubbed out the difficult one by mistake.

刚刚我正在做一个又长又难的加法，我擦去另一个式子给它腾空时不小心把难的式子擦掉了。

He told me that he took it by mistake.

他告诉我说他是拿错了。

And the authorities in Mexico have ordered the computer giant Dell to honour a deal it published online by mistake this month, offering some of its best laptops for about 30 dollars.

墨西哥当局下令计算机巨头戴尔履行他们本月因错在互联网上公布的交易，以30元的价格出售最好的便携式电脑。

Make sure you don't go to the primary school by mistake!

千万别走错路去了小学。

That's probably what's happened - it's got switched off by mistake.

这可能就是原因，它可能不小心关掉了。

What if you harm her by mistake?

如果你不小心伤到了，怎么办？

It was given to him by mistake instead of his own.

这个手提包是错给他的，而不是他自己的。

I thought my stylist made a mistake by putting this outfit the other way around.

我以为我的造型师搞错了，竟然让我反着穿上这件服装。

I pressed that by mistake. I've no idea!

我不小心按到了，我不知道！

But on Monday, the organization said that was posted by mistake and changed back to previous guidance which said the disease spreads mainly between people in close contact.

但在周一，世卫组织表示之前发布了错误的消息，并改变了之前的说法，即疾病主要在密切接触的人之间传播。

Please excuse me for opening your letter by mistake.

请原谅我错拆了你的信。

He called him Teacher Lee by mistake on the phone.

他在电话上误把他称呼为李老师。

If you step on my toes by mistake, and say, " I'm so sorry" , you mean: oops that was my fault and I didn't mean to do it.

如果你不小心踩到了我的脚趾，然后说“抱歉”，你的意思是：哦，是我的错，我不是故意的。

Yeah, I think someone bit me by mistake. But it doesn't really hurt. Gross.

我觉得有人错咬了我一口，但总的来说并不怎么疼。好恶心。

They are stupid people who are lost and got here by mistake.

他们是些笨人，不小心迷了路走到了这里。

But by mistake, the hand dropped the teapot to the floor.

但是不小心把茶壶掉到地上。

Sometimes, they even read the word by mistake!

有时，他们甚至会误读这个单词！

Loads of them ended up killing their past or future selves by mistake! ”

他们之中有许多人误杀了过去的自己或未来的自己！”

Ultimately, we discovered one of the most powerful antibiotics by mistake.

最终，我们意外地发现了最强效的抗生素之一。

In one area, some Gore supporters believed they had voted for Pat Buchanan by mistake.

在一个地区，一些戈尔的支持者认为，他们错把票投给了帕特·布坎南。