guǐ​liǎn

grimace

鬼脸 (鬼臉) guǐ​liǎn
grimace noun
a wry, funny, or mocking facial expression; to make such a face

My younger sister playfully made a face at the camera.

mask noun
a physical mask representing a devil, monster, or comic figure

He put on a hideous mask to scare the children.

Frequency

Movie subtitles
2.33 per million appears in 1% of films
Written text
1.34 per million

Sources

Definitions
CC-CEDICT