脫皮掉肉 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

脫 tuō take off, peel off, strip
皮 pí
HSK 3
skin, hide, fur, feather; outer
掉 diào
HSK 4
turn, move; shake, wag; drop down
肉 ròu
HSK 2
flesh; meat; KangXi radical 130