He looked down at it, and his mouth was set.

Head held high, mouth set in a straight line, the girl left.

Then she saw his mouth set into a thin line.

My mouth got set to tell a lie, and then I stopped.

Mother set her mouth in a grim line and did not answer.

Jean, looking at him, saw his mouth set in a hard line.

She set her mouth in a false smile, and got up.

The eyes were lightly closed, and the mouth was set in a straight line.

I rode up close to the King and set my mouth to his ear.

She kept silent, but her mouth was set to bite.