He walked down the stairs slowly.
There's a heavy downpour today.
There's a rapid downpour today.
There's a severe downpour today.
There's a relentless downpour today.
There's a torrential downpour today.
There's an inclement downpour today.
Can you please turn down the volume?
Could you turn down the volume, please?
Would you mind turning down the AC, please?
Sir, all the students have earnestly requested a breakdown of the semester final syllabus.