have an axe to grind
有隱私的私人事情要處理或爭辯
口語·表達私心
英文釋義
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.
典故來源
源自磨斧頭的典故,比喻隱藏的個人動機或不滿。