bone to pick, have a

Idioms  

1. An unpleasant issue or grievance that needs discussion. For example, Concerning the room assignments, I have a bone to pick with you. This metaphoric term alludes to a dog worrying a bone. [Early 1500s]

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Example Sentences

V. revenge, avenge; vindicate; take one's revenge, have one's revenge; breathe revenge, breathe vengeance; wreak one's vengeance, wreak one's anger. have accounts to settle, have a crow to pluck, have a bone to pick, have a rod in pickle. keep the wound green; harbor revenge, harbor vindictive feeling; bear malice; rankle, rankle in the breast.

From Project Gutenberg