He had just time to drag himself up and set his back to the broad trunk before they were on him.
He turned right, setting his back to it again.
Ray set his back to the nearest rock and looked out to sea.
Again he was going, but I set my back against the door.
He set his back against the wagon as two soldiers came stumbling around the end of it into view.
If he set his back against the rock, at least no enemies could come upon him from behind.
And so the four came forward, spreading to outflank him since he had nothing to set his back against.
Setting his back to the door, he turned to face the spectacle.
He stepped away, setting his back against the door, without waiting for a response.
Once inside, he quickly slammed the door behind him and set his back against the stone wall.