hard at (something)

hard at (something)

Working diligently on something. I've been trying to get him to do his book report all day, so I'm glad to see that he's finally hard at work. We've been hard at this research for the last three years.
See also: hard

hard at it

Working diligently. I've been trying to get him to do his book report all day, so I'm glad to see that he's finally hard at it.
See also: hard
Farlex Dictionary of Idioms.

hard at (something)

 and hard at doing something
working hard at something. Tom's busy. He's hard at work on the lawn.
See also: hard
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

hard at it

busily working. informal
1997 Independent I leave home…just after 6 a.m. each day and I'm hard at it by 7.30.
See also: hard
Farlex Partner Idioms Dictionary
See also:
  • hard at
  • hard at it
  • plug away
  • plug away (at something)
  • peg away
  • peg away (at something)
  • peg away at
  • nose to the grindstone
  • dally over
  • dally over (something)