I wasn't aware of that policy

我不知道那项规定。

be aware of..

意识到...

He was not aware of the mistake he had made.

他没有意识到自己犯的错误。

policy

政策;策略

foreign policy

外交政策

The company has adopted a strict no-smoking policy.

该公司实行了严格的禁烟制度。

A:Madam,I'm afraid you cannot carry those cosmetics onto the plane.

女士，恐怕您不能携带这些化妆品上飞机。

B:Why can't I?

为什么不能？

A:We have a strict policy about liquids.Your bottles of cosmetics exceed the allowed limit for liquids.

我们对液态的物品有严格的规定。您这些化妆品超过了允许携带的液态物品的量。

B:Oh,I'm sorry,I wasn't aware of that policy.

哦，对不起。我不知道那项规定。

A:I'm sorry,but I am going to have to confiscate them now.

很抱歉，我现在得将他们没收了。

B:But I spent so much money on those cosmetics!

但是我花了很多钱买这些化妆品。

A:I'm sorry,madam,but we have these rules for your safety and the safety of other passengers.

很抱歉，女士，但是我们的这些规定是为了您和其他乘客的安全。

B:Ok,I understand.

好的，我理解。

A:I apologize for this inconvenience.Have a good flight.

对于给您造成的很多不便我很抱歉。祝您旅途愉快。

B:It's ok.Thank you.

没事，谢谢。