1.The heavens opened！

突然下起了大雨！

表达“天堂打开了”指突然间下起了大雨。

I was just about to put my washing on the line when the heavens opened！

我正准备把洗好的衣服晾起来呢，外面就突然下起了大雨！

2.It's chunking it down.

雨哗哗地下。

单词chunk有“随手扔”的含义，用来形容大雨肆虐。

It's been chucking it down for two days——looks like our weekend is ruined.

已经连续下了两天大雨了，看起来天气已经破坏了我们的计划。

3. It's nice weather for ducks.

这是鸭子的好天气；外面正在大雨滂沱。

I am not going to college today. It is nice weather for ducks out there.

我今天不去学校了，外面正在下着滂沱大雨。

4.It is coming down in buckets.

正在下倾盆大雨。

It was a cold Thursday night and the rain was coming down in buckets. I had to take a taxi home.

那个周四晚上天气冷，大雨滂沱，我不得不打车回家。