- 大雨使河水泛滥。
The rivers were flooded by the heavy rain.
- 很快就会开始大雨了。
It soon began to rain very hard.
- 昨晚下了一场大雨。
We had a heavy rain last night.
- 突然就下起了大雨。
Suddenly it started to rain very hard.
- 现在天空这个样子，看起来似乎随时会下大雨。
Judging from the present look of the sky, we may have a downpour any moment.
- 他们总是把大雨和洪水联想在一起。
They always associated a heavy rain with flood.
