介绍：

I'll take a rain check. 改天吧。
I'm sorry, but I'll have to take a rain check for dinner this Saturday. Would next weekend work for you?
不好意思，这周六的晚饭得改天了。下个周末你方便吗？

When it rains, it pours.
屋漏偏逢连夜雨
I lost my job last week. And someone broke into my house yesterday. When it rains, it pours.
上周我丢了工作。昨天我家又被破门而入了。屋漏偏逢连夜雨。

The rain eases off 雨渐小
The rain should ease off in a few minutes. We’d better wait here.
这雨应该一会就小下来了。我们最好就在这等着。

The rain patters on sth.
雨点拍打在…上面
The rain is pattering gently on the window.
雨水正在轻轻地拍打着窗户。

get caught in the rain
被困在大雨中
I am sorry I am getting caught in the rain and I’m afraid I’ll be late for work this morning.
很抱歉，我被困在大雨中了，恐怕今天上午上班要迟到了。