打扰一下的英语表达可以是：Excuse me，音标：英 [ɪkˈskjuːs mi]美 [ɪkˈskjuːs mi]；还可以说Sorry to bother you，或者Excuse me for interrupting you. 

例句示范：

Excuse me, but I'll have to go now. 

对不起，我得走了。

Excuse me for interrupting you. 

请原谅，打扰您了。

Please excuse me for having offended you just now. 

刚才冒犯了你，请原谅。

Excuse me I seem to be a little bit lost. 

对不起，我好像有点听不明白了。

Excuse me, but I want to know what all this has to do with us. 

抱歉，我想知道所有这些和我们有什么关系。

Excuse me interrupting, but there's a thing I feel I've got to say. 

抱歉打断一下，我觉得有件事我得说。

If you'll excuse me, ladies and gentlemen, we'd better leave it there. 

对不起，女士们，先生们，我们还是不要再讨论这个了。

Sorry to bother you. I have a problem. 

很抱歉打扰你了。我有一个问题。

I'm sorry to bother you, Erin, but may I come in? 

对不起，Erin，打扰您了。我可以进来吗？

Sorry to bother you. I think I found your wallet. 

打扰了，我捡到一个皮夹，可能是你的吧。

I'm sorry to bother you. I should've called first. 

很抱歉打扰你，我该先打个电话。

OK, thanks, you've really been a big help. I'm sorry to bother you. 

好的，谢谢。你帮了我大忙。很抱歉打扰你。

Excuse me for interrupting you. I hope you will explain youself in more detail. 

对不起打断您的话，希望您能解释详细点儿。

A: Excuse me for interrupting, but you are missing the point. 

请原谅我插嘴，你跑题了。

Excuse me for interrupting, but you have an urgent call. 

对不起，打扰一下，你有个紧急电话。

Excuse me for interrupting, but could you tell me what types of people you like to work with?

请原谅我打断一下，能不能告诉我你喜欢与哪一类人一起工作？

Excuse me for interrupting, but your mother is here to see you. 

请原谅我打断一下，不过您的母亲看您来了。