You need to get your ass in gear if you want to finish the project on time.

He moved backward and forward on the dance floor.

We need to move backward to go forward.

The car moved backward and forward to adjust its position.

The company hired expendable workers to complete the project.

Just let him do his thing, he knows what he's doing.

Just let him do his thing, he knows what he's doing.

Just let him do his thing, he knows what he's doing.

You should just relax and do your thing.

I went on a week-long vacation.