脱皮掉肉
tuō pí diào ròu
基本释义
  1. 喻指卖命(老头子一辈为 小梁庄群众起早搭黑，脱皮掉肉奔波，哪天黑来不熬到鸡儿叫)。-- 崔巍等《爱与恨》
英文翻译
  1. to work one's butt off
  2. to work as hard as possible
  3. lit. to shed skin, drop flesh