He quietens down the noisy children in the classroom.

The children are quietening down for bedtime.

She is quieting down after a long day at work.

The children quietened down after the teacher asked them to be quiet.

She fought down her anger and remained calm.

He used stakes to tack down the tent.

I found a down feather on the ground.

He was gunned down in broad daylight.

He guns down the target with precision.

The police are gunning down the suspect.