VOA慢速英语:Rain, Rain, Go Away!

短语讲解：

1.Unfortunately, on the day of the party, it rains cats and dogs – in other words, it rains really heavily.

in other words 换句话说; 就是说
例句：The mobile library services have been reorganised — in other words, they visit fewer places.
流动图书馆服务重新作了安排——换句话说，他们去的地方减少了。

2.“Rain check” comes from the early days of baseball.

come from 源自; 来自某处; 出生于
例句：He's just come from the countryside.
他刚从乡下来。

3. Up until now, all these rain expressions use the wet weather as a hardship, sadness, inconvenience or difficulty that a person must overcome.

up until now 到现在
例句：Up until now, we've received no official notification.
直到现在我们还没有接到正式通知。