hard at

(redirected from hard at doing working hard at)

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
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

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. © 2002 by The McGraw-Hill Companies, Inc.
See also: