labor at (something)

labor at (something)

To work very hard or diligently to accomplish something. I've been laboring at my Ph.D. for nearly four years now. Pat's out back laboring at repainting the back wall.
See also: labor
Farlex Dictionary of Idioms.

labor at something

to work hard at something. He is laboring at his gardening and won't be back in the house until dinnertime. What are you laboring at so intensely?
See also: labor
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • labor at
  • labored
  • labour
  • labor away (at something)
  • labor for
  • labor for (someone or something)
  • labor over
  • labor over (something)
  • hard at (something)
  • hard at it