Following are a number of back-translations as well as a sample translation for translators of Isaiah 23:12:

• Kupsabiny: “Oh, please, you people of Sidon who have been persecuted!
  God is saying,
  ‘Your happiness is over.
  Even if you flee to Cyprus,
  you will not find peace there.’” (Source: Kupsabiny Back Translation)
• Newari: “He said,
  "O People of virgin Sidon,
  Now you will never again get to celebrate with joy.
  Get up, go the island of Cyprus.
  Even there you will have no rest."” (Source: Newari Back Translation)
• Hiligaynon: “The LORD said, ‘Residents of Sidon, your (plur.) happiness is over. You (plur.) are- now -fallen! Even if you (plur.) flee to Cyprus, you (plur.) still have no rest there.’” (Source: Hiligaynon Back Translation)
• English: “He said to the people of Sidon,
  ‘You will never rejoice again, because you will be crushed;
  even if you flee to Cyprus island,
  you will not escape destruction.’” (Source: Translation for Translators)