literally for one's face to be swept across the ground; to be thoroughly discredited or lose all prestige; to be humiliated beyond repair

The seventh pair of cranial nerves, which controls the muscles of the face, tear and salivary glands, and the sense of taste on the front of the tongue.

the bones of the face that form the structure for the eyes, nose, and mouth; collectively comprising fourteen different bones. Also shortened to [[面骨|面骨|mian4 gu3]]