peg away

peg away (at something)

To continue trying or working diligently (at something). I'm really not very good at math, but I've got to keep pegging away at it if I want to get into an engineering program. A: "Where's John?" B: "Oh, he's out in the garden pegging away."
See also: away, peg
Farlex Dictionary of Idioms.

peg away

(at something) Go to plug away (at something).
See also: away, peg
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • peg away (at something)
  • peg away at
  • plug away
  • plug away (at something)
  • slug
  • slug away (at something)
  • hard at
  • hard at (something)
  • hard at it
  • nose to the grindstone
References in periodicals archive
Fix said: "Mick drew one peg away from where we had practised - and he didn't have a fish on that day.