Welcome to English in a Minute, where we teach you about idioms in American English.

欢迎收听《一分钟英语》，在这里我们教授大家一些美式英语中的俚语n]iXmE!=JH1t。

What would you think if you heard this: Off the top of my head.

当你听见“Off the top of my head（未经深思熟虑不能确定）”，你知道是什么意思么？

There is nothing on her head.

她头上可没有什么东西t,=BN0aJ73CzNMJ。

But let's see if we can find out what she means.

听听下面的对话，看看能否知道她在说什么ZJz_YtbJBJFhcT-zzLi9。

Do you know Tom's email address?

你知道Tom的邮箱地址么？

I couldn't tell you off the top of my head, but I have it in my contacts list on my computer. Can I send it to you later?

但是现在我未经深思熟虑，不能确定（off the top of my head）oijBQo5=ayxs。我电脑里有份通讯录;;JN=vLtLVaTss.Db4z。我能晚点发给你么？

Sure. That would be great. Thanks.

当然IOV@fF*56Q2nOK。这样太好了jNNQ7WQ*9IW&M。谢谢SmIT9*L7he+5k。

"Off the top of my head" is a common phrase that means I am trying to remember something, and to give you a quick answer.

“Off the top of my head”是一个很常见的短语，意思是我努力回忆某件事，未经深思熟虑很快给你答复J*yey[e|1hrW,。

But if a person's memory is bad, sometimes the information off the top of someone's head is wrong.

但是如果某人的记性不好，有时候未经深思熟虑的信息是错的fnfa3!-JjDGSo)hi|。

So it's best to confirm it.

所以做好是确认一下M;-6h&ku)hVdi。

And that's English in a Minute.

以上就是本期的《一分钟英语》Jg;~]1Kr~VHCH。