英语习语：

take a rain check 改天吧

—— Can you come over for dinner tonight? (今天晚上来吃饭好吗？)
—— I'm up to my ears in work, so I'll have to take a rain check.（我工作很忙，改日吧。）

双语例句:
I can't play tennis this afternoon but can I take a rain check?
今天下午我不能去打网球了，但是我能改期再去吗？

Can I take a rain check? ─ I must get this finished tonight.
下次吧， 好吗？今晚我得把这项工作做完。

I'm eager to meet Anna. But tomorrow's schedule is full. Can I take a rain check?
我真的很想认识安娜，可是我明天已经排满了事情，可不可改天再去？