生活中，我们处处需要小心，过马路要小心，打雷要小心，开车要小心……“小心”用英文表达该怎么说？我们大多数会说：be careful，不过可不是所有的都这么说，今天，一起来学习一下吧！

短语表达“不小心”

By mistake

By accident

I took my son's phone to work by mistake. 

我不小心拿了我儿子的手机来上班。 

Sorry, I took your card by accident.

不好意思，我不小心拿了你的卡。 

I ate my coworker's lunch by mistake.

我不小心错吃了同事的午饭。

Didn't mean to: 不是故意的 

Wasn't paying attention: 没有注意 

Sorry, I took your card, i didn’t mean to. 

不好意思，我不小心拿了你的卡。

副词表达“不小心”

Mistakenly: 错误地 

Accidentally: 偶然性地、错误地 

Unintentionally: 不是你的意图、不是本意 

Unknowingly: 不知道、没意识到的情况下

例句：

I mistakenly took my son's phone to work。

我不小心拿了我儿子的手机来上班。

I accidentally took your card.

我不小心拿了你的卡。 

He unintentionally sent the email to the wrong person.

他没注意，不小心把邮件发错了人。 

I ate my coworker's lunch unknowingly.

我不小心错吃了同事的午饭。

不能说的“不小心”

Mistakenly: 错误地 

Fall, trip, slip 摔跤

I fell down.

我摔了一跤。 

I tripped.

我绊了一跤。 

He slipped on the ice.

他在冰上滑倒了。

I wasn't paying attention and I fell down.

我走路没注意，结果摔了一跤。 

I wasn't careful and I tripped. 

我不小心绊了一跤。

“小心一点”怎么说？

Be careful: 小心一点 

Be cautious: 谨慎一点 

Mind the gap: 注意有空隙 

Watch your steps.

走路时看着点。

watch out: 小心