Following are a number of back-translations as well as a sample translation for translators of Isaiah 8:13:

• Kupsabiny: “But trust in the God of authority,
  he is the one to be obeyed and feared.” (Source: Kupsabiny Back Translation)
• Newari: “[You] must keep in mind that the LORD, the greatest of all,
  is holy. Fear Him.
  Seeing Him, tremble.” (Source: Newari Back Translation)
• Hiligaynon: “I, the LORD Almighty, you (plur.) should acknowledge as holy. I (am) the one- you (plur.) should -be-afraid-of.” (Source: Hiligaynon Back Translation)
• English: “I, the Commander of the armies of angels, am the one you should consider to be holy.
  And I am the one you should fear,
  the one you should revere.” (Source: Translation for Translators)