Following are a number of back-translations as well as a sample translation for translators of Deuteronomy 32:43:

• Kupsabiny: “Rejoice you countries with the people of God
  because he shall repay/avenge the blood of his servants.
  He will punish his enemies
  and appease his land and his people.” (Source: Kupsabiny Back Translation)
• Newari: “O Nations, Rejoice with His people!
  On all those who have killed His servants
  He will take revenge.
  On His enemies He will take revenge.
  And for the sake of His land and His people
  He will make atonement.” (Source: Newari Back Translation)
• Hiligaynon: “You (plur.) nations, you (plur.) praise the people of the LORD, for the LORD will-take- vengeance to those who-killed them his servants.
  He will-take-vengeance to his enemies, and will-clean his land and his people.” (Source: Hiligaynon Back Translation)
• English: “‘You people of all nations, you as well as his people should praise Yahweh,
  because Yahweh gets revenge on those who kill the people who serve him;
  and he cleanses his people’s land
  which has become defiled because of their sins.’” (Source: Translation for Translators)