I experienced two double-whammies in one day.

Experiencing a double-whammy of bad luck, he lost his job and his car broke down on the same day.

Does he overthink things too much?

I have done over my room.

The double salt formed when sodium chloride and potassium sulfate are mixed together.

He always lets down his friends when they need him the most.

She is letting down her friends by not showing up to the party.

I got down from the tree.

I am getting down from the car.

He stands down from his position as CEO.