Don't let your guard down, even for a moment.

He got down on one knee and popped the question .

Don’t let it get you down.

The eerie sound of the wind at night can send a shiver down your spine.

I had to downgrade my phone because it was too expensive.

The meeting room is downstairs.

I love exploring downtown areas.

The recent economic downturn has affected many businesses.

Isostasy is the equilibrium between the upward force exerted by the Earth's crust and the downward force exerted on it.

The music had a downbeat rhythm.