work like a mule

work like a mule

To work very intensely for a long or continuous period of time, especially doing something thankless or menial. The boss had us working like mules to get the project ready on time. I worked like a mule the entire summer after high school to earn enough cash to buy my first guitar. I've been out here working like a mule while you sit inside sipping lemonade. Could you maybe lend me a hand?
See also: like, mule, work
Farlex Dictionary of Idioms.
See also:
  • work like a slave
  • sandbag
  • scut work
  • powerstudy
  • studied
  • be dying of (something)
  • be dying of something
  • ploughing
  • plow on