提出邀请:

Do you have some time tomorrow?

明天有空吗?

If you're free, how about lunch?

有空的话一起吃顿中饭如何？




I'm calling to see if you would like to have lunch tomorrow.

我打电话给你，是想知道明天一起吃顿中饭怎样？




I'll invite you out when you're here.

等你来的时候，请接受我的招待。




委婉拒绝：
I'm sorry, but this week isn't very convenient for me.

对不起，这个星期我都不方便。




I'm sorry, but I have to cancel out luncheon appointment.

真抱歉，不过我不得不取消我们午餐的约会。




I have pressing business to attend to.

我有紧急的事情要处理。

接受邀请：

That will be fine with me.

没问题。

I'll be there.

我会去的。