For a single person
单人享用

It looks delicious. I will order it.
看起来很好吃，我就点这个了。
I am sorry, sir, it's for 4 persons to have. I think it's too large for you.
抱歉先生，这个是4个人享用的，我觉得对您来说太多了。

Would you please make it for a single person?
不能做成单人享用的吗？
Sorry, sir. We have never done that before.
抱歉，先生，我们从没有那样做过。