听外面正在下雨用英语怎么说

"It is raining outside" 是表示外面正在下雨的英文表达。其来源是英语中rain的动词形式，表示“下雨”。

一些例句及其中文翻译如下:

"It's pouring outside, you should bring an umbrella." (外面正在倾盆大雨，你应该带把伞)
"The forecast said it would rain all day, but it's just a light drizzle now." (预报说会整天下雨，但现在只是轻微的细雨)
"I can't go for a run, it's raining too hard." (我不能去跑步，雨下得太大了)