The old man's jaw trembled again, but it didn't come open.

The way his jaw trembled, and his eyes filled with tears, was more than answer enough.

Her jaw trembled as she tried without success to bring words forth.

Ryan's jaw trembled, but then he bit his lip and drew slightly away from her.

She found that her lower jaw was trembling, and stopped it with an act of will.

The woman's jaw trembled so that she could not reply.

The man's jaw trembled, and the metal teeth clicked together.

Her jaw trembled, and Dainyl could sense she was close to tears.

His jaw trembled as he forced out the words, "I know that she's gone."

The assessor's jaw trembled as he struggled to keep his voice under control.