脱皮掉肉 tuō pí diào ròu

DEFINITIONS

  1. lit. to shed skin, drop flesh
  2. to work as hard as possible
  3. to work one's butt off

CHARACTERS

脱 tuō take off
皮 pí skin, hide, fur, feather; outer
掉 diào turn, move; shake, wag; drop down
肉 ròu flesh; meat; KangXi radical 130