Following are a number of back-translations as well as a sample translation for translators of Isaiah 1:9:

• Kupsabiny: “If the God of authority had not left s remainder,
  we would have been destroyed like the people of Sodom and those of Gomorrah.” (Source: Kupsabiny Back Translation)
• Newari: “If the LORD Almighty
  had not allowed
  our descendants to survive
  we would be in the same condition
  as Sodom and Gomorrah.” (Source: Newari Back Translation)
• Hiligaynon: “If the LORD Almighty had- not -left any of us (incl.) alive, we (incl.) would-have-been now like Sodom and Gomora.” (Source: Hiligaynon Back Translation)
• English: “If the Commander of the armies of angels had not allowed a few of us his people to survive/remain alive,
  we would have all been destroyed,
  like the cities of Sodom and Gomorrah were destroyed.” (Source: Translation for Translators)