The wind calmed down. ✬

You'd better knuckle down to work. ✬

When bears sleep or lie down, their postures depend on whether they want to get rid of heat or conserve it. ✬

It's money down the drain. ✬

Try and calm down. ✬

Let your hair down a little. ✬

The rock rolled down the hillside. ✬

I'm cutting down on sweets. ✬

The thermometer went down below zero. ✬

When I bite down, this tooth hurts. ✬