傾盆大雨：
The roads are flooded after a period of exceptionally torrential rain.
很多地方的道路都被淹了，通不了車。
As soon as I got outside, it started pouring.
我剛一出門就開始下大雨。
It was pouring with rain and I had forgotten my umbrella.
大雨瓢潑，但是我卻忘記帶傘了。
It's really coming down out there!
外面雨下得好大啊。

毛毛雨：
I like the rain, especially when it's drizzling.
我喜歡下雨，尤其是毛毛雨。
It's just spitting.
毛毛雨而已。

陣雨：
I had thought it was just a shower.
我以為這雨只下一陣的。
We got caught in a downpour.
我們被一場陣雨困住了。
I got soaked walking home just now.
剛剛走回家的時候淋得濕透的。
I got soaking wet.
我淋得濕透了。
It's been raining on and off all day.
這雨斷斷續續下了一天。