Denise's expression tightened as she looked down at the unconscious man.

Lucas didn't rise to the bait, though his expression tightened just a bit.

With every one, his expression tightened, until she worried the muscles might snap.

His eyes went to the gun and his expression tightened.

She glanced toward the floor and her expression tightened unhappily.

Daniel grinned also, but he saw that Adele's expression had tightened.

His expression tightened, as if her words had been even more barbed than she had meant.

Her sunny expression tightened slightly, and she stepped into the room.

Her expression tightened, and Jack could see the anger fighting to escape from somewhere deep within.

But his expression tightens when he talks about certain changes in the neighborhood.