Following are a number of back-translations as well as a sample translation for translators of Isaiah 27:7:

• Kupsabiny: “God has not punished the Israelites
  like when he punished their enemies.
  And they did not lose people
  as many as their enemies lost.” (Source: Kupsabiny Back Translation)
• Newari: “What! He has not struck Israel like he struck their enemies, has he?
  What! He has not killed them like he killed their enemies, has he?” (Source: Newari Back Translation)
• Hiligaynon: “God did- not -punish and kill Israel like the punishment and killings he did to its enemies.” (Source: Hiligaynon Back Translation)
• English: “But now I ask, has Yahweh punished us Israelis
  like he punished our enemies?
  Has he punished us as much as he punished them?” (Source: Translation for Translators)