have a bone to pick, to

have a bone to pick (with someone)

to have a disagreement to discuss with someone; to have something to argue about with someone. Hey, Bill. I've got a bone to pick with you. Where is the money you owe me? I had a bone to pick with her, but she was so sweet that I forgot about it.
See also: bone, have, pick
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

have a bone to pick, to

To have a point to argue, an unpleasant issue to discuss, or a complaint. This term, which alludes both to a dog worrying a bone and to two dogs fighting over a single bone, dates from the early sixteenth century. “I will add this, which may be a bone for you to pick on,” wrote James Calfhill (Answer to Martiall, 1565)—that is, an issue to worry to death. “There is a bone for the gastronomers to pick,” Sir Walter Scott was quoted as saying about 1830, denoting something for more than one person to argue about.
See also: bone, have
The Dictionary of Clichés by Christine Ammer
See also:
  • accompany (one) on a/(one's) journey
  • accompany on a journey
  • be/have done with somebody/something
  • a stranger to (someone or something)
  • be out of (one's) league
  • be out of somebody's league
  • bargain
  • bargain for (someone or something) with (someone)
  • brief (someone) about (someone or something)
  • brief about