liǎn​pí

sense of shame

脸皮 (臉皮) liǎn​pí
sense of shame noun
a person's susceptibility to embarrassment or their thickness of skin regarding criticism

He is thick-skinned and doesn't care about others' criticism at all.

cheek noun
the physical skin of the face

Because of the cold weather, his face turned bright red.

Frequency

Movie subtitles
1.55 per million appears in 1% of films
Written text
2.24 per million

Sources

Definitions
CC-CEDICT