1. Why've you got such a long face?
2. I never know whether my boss likes my work or not -- he is a real poker face!
3. Tell him how much it'll cost and that should wipe the smile off his face.
4. He always keeps a straight face.
5. I talked to him until I was blue in the face, but he wouldn't listen to me.
6. She tried to put on a brave face.
7. Don't screw up your face.
8. We really gave him a red face when we caught him eavesdropping.