Following are a number of back-translations as well as a sample translation for translators of Jeremiah 50:40:

• Kupsabiny: “I will do to Babylon things
  that are like what happened to Sodom and Gomorrah,
  when they were destroyed with all their neighboring villages.
  Never shall a person live there again,
  and it will be desolate forever.” (Source: Kupsabiny Back Translation)
• Hiligaynon: “Just as I destroyed Sodom and Gomora, and the towns around it, I will- also -destroy Babilonia. No one will- ever -live there. I, the LORD, (am) the-(one) saying this.” (Source: Hiligaynon Back Translation)
• English: “I will destroy Babylon like I destroyed Sodom and Gomorrah and the nearby towns;
  no one will ever live there again.” (Source: Translation for Translators)