The idiom "axe to grind" comes from a story by Charles Miner, published in 1815. In this story, a man falsely accused another of having an axe to grind and made it a metaphor for having a hidden agenda or personal interest in a matter. It is used to refer to someone who has a personal motive or vested interest in something rather than being objective or impartial.

What is the origin of the idiom "axe to grind" and when to use it?

英語での「axe to grind」の定義と意味

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