Following are a number of back-translations as well as a sample translation for translators of Jeremiah 13:20:

• Kupsabiny: “Please turn your eyes, oh Jerusalem
  and see those enemies coming from the North.
  Where are now the people
  whom you were set to guard?” (Source: Kupsabiny Back Translation)
• Hiligaynon: “Look-at the enemies who are-coming/approaching from the north. Jerusalem, where is now your (sing.) residents whom you (sing.) boast, whom I entrusted to you (plur.) whom you (sing.) will-take-good-care-of?” (Source: Hiligaynon Back Translation)