rainstorm

The sudden rainstorm caught the hikers by surprise, leaving them completely soaked in minutes.

(Chinese) 突如其来的暴雨让徒步旅行者措手不及，几分钟内就把他们淋得湿透。

A severe rainstorm caused flash flooding in several low-lying areas of the city last night.

(Chinese) 昨晚的一场强降雨导致该市几个低洼地区发生了山洪暴发。