Following are a number of back-translations as well as a sample translation for translators of 2 Samuel 22:51:

• Kupsabiny: “You help the ruler whom you chose to become victorious, oh God.
  You handle well the one you anointed.
  You love me and my descendants for years and years.” (Source: Kupsabiny Back Translation)
• Newari: “You give great victories to your king
  You always show everlasting love
  to Your anointed ones — David and his descendants.” (Source: Newari Back Translation)
• Hiligaynon: “You give your chosen king great victories.
  You love David and his descendants without end.’” (Source: Hiligaynon Back Translation)
• English: “You enable me, whom you appointed to be king, to powerfully conquer my enemies;
  you faithfully love me, David, and you will love my descendants forever.” (Source: Translation for Translators)