Following are a number of back-translations as well as a sample translation for translators of Isaiah 12:2:

• Kupsabiny: “God, you are my savior,
  I shall trust in you and not be afraid.
  You are the one who gives me power and strength,
  and you became my savior.’” (Source: Kupsabiny Back Translation)
• Newari: “Certainly God has come to save me,
  I will trust Him, and I will not be even a little bit afraid.
  The LORD is my strength and psalm,
  He will be the one who gives me deliverance."” (Source: Newari Back Translation)
• Hiligaynon: “You (sing.), O God, are my savior.
  I will-trust in you (sing.) and not be afraid.
  You (sing.), LORD, is-particularly the (one who) gives me strength,
  and you (sing.) (are) the one I sing-to.
  You (sing.) are the (one who) has-saved me.’” (Source: Hiligaynon Back Translation)
• English: “Amazingly, you have come to save us,
  so we will trust in you and not be afraid.
  Yahweh our God, you enable us to be strong;
  you are the one about whom we sing;
  you have rescued us from our enemies.’” (Source: Translation for Translators)