We do not want it to rain cats and dogs.

我们不希望天下猫下狗，瓢泼大雨。

I was about to leave, when it begin to rain cats and dogs.

我正要离开，这时候下起倾盆大雨。

At this time, the sky was beginning to rain cats and dogs.

这时，天上开始下起了倾盆大雨。

Heardly had we left home when it began to rain cats and dogs.

我们刚离开家，就下起倾盆大雨来了。(刚刚)。

When we were well on the way, it began to rain cats and dogs.

我们正走到半路，天就下起大雨来了。

We were about to get home, when it began to rain cats and dogs.

我们快要到家了，这时候下起了倾盆大雨。

In a sunny winter morning, it might suddenly rain cats and dogs.

在冬季的阳光明媚的早上，也可能会有飘泼大雨。

It started to rain cats and dogs when I was about to leave the office.

我正要离开办公室的时候，外面下起倾盆大雨。

Soon it began to rain cats and dogs. Few people were seen on the street.

不久，天下起了滂沱大雨，街上乃至看不到什么人了。

In the middle of the picnic, it started to rain cats and dogs and everybody got soaked.

在野餐进行到一半时突然下起瓢泼大雨，每个人都成了落汤鸡。

In the middle of the picnic it started to rain cats and dogs, and everybody got soaked.

野餐进行到一半时，天开始下起大暴雨，弄得每个人都湿透了。

In the middle of the picnic it started to rain cats and dogs, and everybody got soaked.

野餐进行中，突然大雨倾盆，每个人身上都湿透了。

According the weather report, it'll rain cats and dogs. So we have to call the journey off.

天气预报说会有大雨，为此我们不得不取消了旅程。

Our aircraft 12:00, almost 2:00 PM before go there two, just off the plane, it was beginning to rain cats and dogs!

我们12：00的飞机，差不多下午2：00才到那二，刚刚下飞机，就开始下起了倾盆大雨！

In south China, spring and early summer is rainy. It would rain cats and dogs for several days. or there are storms followed with typhoons.

在华南，春天和初夏是多雨季节，有许多日子会见到倾盆大雨，或者是跟随着台风而来的暴雨。