戳脊梁骨 chuō jǐ liang gǔ

DEFINITIONS

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

CHARACTERS

戳 chuō prick, stab; stamp, seal, chop
脊 jǐ spine, backbone; ridge
梁 liang bridge; beam; rafters; surname
骨 gǔ bone; skeleton; frame, framework