Following are a number of back-translations as well as a sample translation for translators of Lamentations 3:39:

• Kupsabiny: “Why should a person complain
  when he is punished for his sin?” (Source: Kupsabiny Back Translation)
• Newari: “Why do mortal men complain when they
  are punished for their sin?” (Source: Newari Back Translation)
• Hiligaynon: “Why are we (incl.) complaining if we (incl.) are-punished because of our (incl.) sins?” (Source: Hiligaynon Back Translation)
• English: “So it is certainly not right for us, who are only humans, to complain
  when he punishes us for the sins that we have committed.” (Source: Translation for Translators)