服务员，买单。

Waiter,the check please.

我来请。

It's on me.

我们AA制吧。

Let's go dutch.

一共多少钱?

How much is it all together?

我可以看一下帐单吗?

Can I have a look at the bill please?

恐怕这里弄错了。

I'm afraid you made a mistake here.

这是什么费用?

What's it for?

给我开张发票好吗?

Could I order a receipt please?

这里是一百元，不用找了。

Here's a hundred,keep the change.