戳壁脚 chuō bì jiǎo

DEFINITIONS

  1. to criticize behind sb's back
  2. back-biting

CHARACTERS

戳 chuō prick, stab; stamp, seal, chop
壁 bì
HSK 5
partition wall; walls of a house
脚 jiǎo
HSK 3
leg, foot; base, leg, foundation