I checked behind me after the approach of additional threats.

He was still on the left-hand side of the road and wasn't checking behind him.

I was checking behind him and to each side, in the distance.

The cop had only hit the wall a few times with his hand to check behind the curtain.

I will check behind you to make certain you are not followed.

He paused until I caught up with him, stopping one last time to check behind us.

He checked out right behind her with a paper, and two large coffees.

But you could check behind her ears and see why.

Just as easy to check the disk in her bedroom behind a locked door.

Not checking behind him, he left, stumbling over me on the way.