腹黑

(slang) outwardly kind but inwardly evil / two-faced

abdomen / stomach / belly

abbr. for Heilongjiang province 黑龍江|黑龙江[Hei1 long2 jiang1]

black / dark / sinister / secret / shady / illegal / to hide (sth) away / to vilify / (loanword) to hack (computing)

(bird species of China) white-bellied woodpecker (Dryocopus javensis)