rain out

To force the cancellation or postponement of (an outdoor event) because of rain.

延期，取消：由于雨而被迫取消或推迟（户外活动）

be as right as rain

(of a person) be perfectly fit and well

（人）非常健康；毫无问题

it never rains but it pours

rain cats and dogs

rain very hard

大雨倾盆，大雨滂沱

rain on someone's parade

(informal, chiefly N. Amer.)prevent someone from enjoying an occasion or event; spoil someone's plans

(非正式，主北美)使扫兴；破坏某人的计划

(come) rain or shine

whether it rains or not

不论晴雨；无论如何

he runs six miles every morning, rain or shine.

他每天早晨跑六英里，风雨无阻。

rain something off (或 美

(一般作 be rained off)cause an event to be terminated or cancelled because of rain

因雨终止（或中断）；使因雨取消（或改期）

the match was rained off.

比赛因雨改期。

rain cats and dogs【非正式用语】

To rain very heavily.

下倾盆大雨：猛烈地下雨