The earl's jaw flexed as they squared off for another moment.

Her jaw flexed as she suppressed a yawn.

The giffs jowls twitched and his jaw flexed as he considered the title.

Carol's jaws flexed as she clamped down on Bobby's belt.

His jaw flexed noticeably, and after an awkward moment, he shoved her toward his own cabin door.

"I had a sister once," he said, his jaw flexing hard.

His jaw flexing repeatedly now, he said, "I am sorry.

His jaw flexed with an effort she did not understand.

His jaw flexed and he looked away, as if he could not meet her eyes.

His jaw flexed and he shook his head.