Ducked

He ducked down on one knee.

Tom ducked down.

Tom threw something at me and I ducked.

As soon as he saw what he had to do, he ducked out.

I tried to hit Tom, but he ducked.

Tom ducked into the restroom.

Tom ducked behind the door.

Tom ducked into the alley.

Tom ducked Mary's punch.

Tom ducked behind a car.