slug away (at something)

slug away (at something)

To continue trying or working diligently (at something); to plug away (at something). I'm really not very good at math, but I've got to keep slugging away if I want to get into an engineering program. John's been slugging away at the new project, but I don't think he's enjoying it very much.
See also: away, slug
Farlex Dictionary of Idioms.
See also:
  • are we away
  • Are we away?
  • away
  • draw away
  • do away with
  • do away with (someone, something, or oneself)
  • bang (away) at
  • bang at
  • draw away from (someone or something)
  • dwindle away