Just looking at him made me want to back up a step or two.

And she'd away back up the way to bed again.

In the past, parents would often back up the schools.

But now we got the heart to back up each other in whatever goes on.

Now I need you to back up my story and put me in the clear.

He started to back up, and the others with him.

She'll need hard evidence to back up what she knows.

The only thing I can see is to back up and start over again.

Some of the men around him started to back up.

He was also trying to back up and get away.