The guard snapped something at him, and he turned into the cell.

The guard at the door snapped to attention when they approached.

The two guards snapped to attention when they came down the corridor.

A guard snapped to attention as I entered the palace.

The guards snapped to attention when we appeared and the sergeant started to say something, but I talked first.

The guards snapped to, and he passed on into the deep, arched opening.

The guard read the document, snapped to attention and pointed along the dock.

A voice called out, the guards snapped to attention.

The door opened and the guards snapped to attention.

The guards snapped out of their stupor and ran to catch up.