have an axe to grind
有隐私的私人事情要处理或争辩
口语·表达私心
英文释义
to have a hidden personal agenda or motive
例句
He keeps criticizing the plan—I think he has an axe to grind with the manager.
典故来源
源自磨斧头的典故，比喻隐藏的个人动机或不满。