主心骨 zhǔ xīn gǔ

DEFINITIONS

  1. backbone
  2. mainstay
  3. pillar
  4. definite view
  5. one's own judgment

CHARACTERS

主 zhǔ
HSK 3
master, chief owner; host; lord
心 xīn
HSK 3
heart; mind, intelligence; soul
骨 gǔ
HSK 5
bone; skeleton; frame, framework