She is always raining on someone's parade.

Don't rain on someone's parade.

The Cold Rain Process is a unique method of creating realistic rain effects in movies.

It rains stair rods.

It's raining stair rods outside.

It rained stair rods yesterday.

It is raining stair rods outside.

I have two oil rain lamps in my living room.

I bought an oil rain lamp for my living room.

It's raining like cats and dogs.