Following are a number of back-translations as well as a sample translation for translators of Proverbs 30:15:

• Kupsabiny: “A liver fluke never gets satisfied. (It) always shouts, ‘Continue giving me! Continue giving me!’ There are four things that never get satisfied. These are:” (Source: Kupsabiny Back Translation)
• Newari: “The water leech has two daughters.
  Both of them just say "Give! Give!"
  [There are] three things [that] are never satisfied.
  [There are] four things [that] never say "enough".” (Source: Newari Back Translation)
• Hiligaynon: “A greedy man is like a leech. He always says, ‘Give me!’
  There are three or four things who are never satisfied:” (Source: Hiligaynon Back Translation)
• Kankanaey: “There-are twins that are leeches. They two say, ‘Give(sing.)-me-some, give(sing.)-me-some.’” (Source: Kankanaey Back Translation)