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遲（戶外活動）

be as right as rain

(of a person) be perfectly fit and well

（人）非常健康；毫無問題

it never rains but it pours

rain cats and dogs

rain very hard

大雨傾盆，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)使掃興；破壞某人的計劃

(come) rain or shine

whether it rains or not

不論晴雨；無論如何

he runs six miles every morning, rain or shine.

他每天早晨跑六英里，風雨無阻。

rain something off (或 美

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

因雨終止（或中斷）；使因雨取消（或改期）

the match was rained off.

比賽因雨改期。

rain cats and dogs【非正式用語】

To rain very heavily.

下傾盆大雨：猛烈地下雨