The fool nodded and his mouth twisted bitterly.

Suddenly he turned round full face, his mouth twisted bitterly.

Her lips twisted bitterly, and the pain must have short-circuited her guard.

"I imagine you do," Benson said, her mouth twisting bitterly.

Her mouth twisted bitterly at these words, as though she needed to spit.

And my race helped, too," she said, and her mouth twisted bitterly.

It wasn't much, but it was absolutely all she could do, and her mouth tried to twist bitterly.

Brown didn't laugh, but his mouth twisted bitterly at that.

Or of their not-ways," she said, her face twisting bitterly.

Abruptly she cut off, lips twisting bitterly as she realized she had done just that.