throw oneself on the mercy of

throw (oneself) on/at the mercy of (someone)

To plead with someone, especially a figure of authority, to show one lenience and mercy. I have no excuse for what I did. I can only throw myself on the mercy of the duke and beg for his forgiveness. She threw herself at the mercy of the court, saying that her dependence on drugs led her to commit those crimes.
See also: mercy, of, on, throw
Farlex Dictionary of Idioms.

throw oneself on the mercy of

some authority Go to throw oneself at the mercy of some authority.
See also: mercy, of, on, throw
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • throw (oneself) on/at (someone's) mercy
  • throw (oneself) on/at the mercy of (someone)
  • throw (oneself) upon the mercy of (someone)
  • throw oneself at the mercy of some authority
  • throw yourself on somebody's mercy
  • throw (oneself) upon (someone's) mercy
  • place (oneself) at (someone's) mercy
  • at the mercy of somebody/something
  • say uncle
  • say uncle, to