go down by something

Going down by the stairs was out of the question.

If my board goes down by itself, it's an easy fix.

See why I didn't let you go down by yourself?

The water is going down by a good two or three feet a minute.

Once you go down by that water, it's another world.

It simply means your tax bill will go down by the specific credit amount.

She supposed he had his heart set on their going down the river by themselves.

The viewing figure must go down by a half now.

The sun was going down by the time they returned to the house.

The Government says they should go down by an average of £55.