guǐ​zi

devil

鬼子 guǐ​zi
devil noun
a derogatory term used to refer to foreign invaders

During that turbulent period of history, the common people often called the invaders 'guizi' (devils).

Jap noun
a derogatory term specifically for Japanese soldiers or people, particularly during the War of Resistance against Japanese Aggression (1931–1945)

Grandpa often tells us stories about how he fought the 'devils' (invaders) in the guerrilla forces back then.

Frequency

Movie subtitles
2.38 per million appears in 1% of films
Written text
7.17 per million

Sources

Definitions
CC-CEDICT