我们在公园时突然开始下大雨。

It suddenly started to pour while we were in the park.

天气预报说今天下午会下大雨。

The weather forecast says it will pour this afternoon.

每次下大雨，街道都会被淹。

Every time it pours, the streets get flooded.

下大雨的时候，最好待在室内。

When it pours, it's best to stay indoors.

别忘了带上你的雨衣，今天会下大雨。

Don't forget your mack; it's going to pour today.

昨天晚上下大雨，我们不得不取消野餐。

It poured last night, so we had to cancel the picnic.

这种天气我们不能出去——正在下大雨！

We can't go out in this weather - it's pouring!

你一提到雨，就开端下大雨了！

As soon if you mentioned rain it started pouring!

你确定要把它带走吗？就快要下大雨了。

Are you sure you want to take it away? It's about to pour it down.

开始下大雨时本在做什么？

What was Ben doing when it began to rain heavily?