Following are a number of back-translations as well as a sample translation for translators of Isaiah 64:1:

• Kupsabiny: “Please, open heaven and come down
  so the mountains tremble when they see you.” (Source: Kupsabiny Back Translation)
• Newari: “If you would move the heavens aside and come down
  and if the mountains would tremble before you, it would be good.” (Source: Newari Back Translation)
• Hiligaynon: “Cut-into-half the heaven, LORD, and [you (sing.)] come-down, and the mountains will-tremble in your (sing.) presence.” (Source: Hiligaynon Back Translation)