I heard small stones slipping and falling backward, down the slope.

"Especially with respect to jobs, we need to watch out for the economy slipping backward again," he said.

I am slipping backward and you draw my black shame out into the light of day.

The young inventor saw the ground slipping backward beneath him.

"I've been seeing his music from another angle, slipping backward and thinking how really lucky I was to have grown up with all of this."

But instead of enlarging his thinking, Jack is slipping backward.

The prospect of the economy's slipping backward into recession again has led to calls for the bank to do more.

But now progress has stalled, and Africa is slipping backward.

"Because of war since the 1980's, Iraqi people have been slipping backward, and now it's getting worse," she said.

He slipped backward against the command chair without the will to catch himself and stay upright.