脫皮掉肉 [脱－－－]

Jyutping tyut3 pei4 diu6 juk6
Pinyin tuō pí diào ròu

Definitions (CC-CEDICT)
  1. lit. to shed skin, drop flesh
  2. to work as hard as possible
  3. to work one's butt off
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）