His jaw was almost clenched before he began to speak.

His jaw was clenched as he gave a short nod.

His jaw was clenched tightly, and he looked at me as if I'd been the one who bit him.

My jaw was still clenched as I waited for his reply.

Hunter didn't say a word, though his jaw was clenched tight.

She was certain if she could see him his jaw would be clenched.

His face was dead white, and his jaws were clenched.

The woman fell silent; he sensed that her jaw was clenched.

Silk's face was bleak, and his jaws were tightly clenched together.

Jack's jaw clenched as a soft chuckle came from Elizabeth.