Can I take you out for dinner?

今晚我请你吃饭,怎么样?

I'm afraid not. I have already had an appointment.

恐怕不行，我已经有约在先了。

重点讲解:

Would you give me the pleasure of having dinner with you?

Can I take you out for dinner?

句型Would you give me the pleasure of doing something?的意思是“你能给我做某事的荣幸吗？”常用于书面语言，日常对话中很少出现。老外在表达“今晚我请你吃饭，怎么样？”时常说Can I take you out for dinner?