Her mouth pulls back in a smile of terrible satisfaction.

His mouth pulled into a tight line, as though he couldn't trust himself to say more.

The man's mouth pulled a little at one side, as if he were fighting a smile.

He drew Susan down onto him, pulled her mouth close to his.

The Tradesman's mouth pulled slowly into a sour smile, against his will.

Rod's mouth pulled back into a thin, grim line, turned down at the corners.

Sam looked at Joseph, his mouth pulled into an ironic twist.

He gave her a sideways glance, his mouth pulled to one side in derision.

As he turned to face Martin, his mouth pulled back in an obscene smile.

Her mouth pulled back into a dreadful grin of horror.