throw oneself at the mercy of some authority
throw oneself at the mercy of some authorityand throw oneself on the mercy of some authority; throw oneself (up)on someone's mercy
Fig. to seek mercy from a court of law, especially at one's sentencing for a crime; to seek help from an official or institution. He pleaded guilty and threw himself at the mercy of the court. It did no good to throw myself on the mercy of the State Department. Please don't! I throw myself upon your mercy!