Following are a number of back-translations as well as a sample translation for translators of Isaiah 40:19:

• Kupsabiny: “God is not like an idol
  that a craftsman has formed
  covering it with gold
  and beautified it with silver.” (Source: Kupsabiny Back Translation)
• Newari: “An idol is made by a craftsman.
  The goldsmith covers it with gold [lit wraps gold on it],
  then [he] makes a silver chain for it.” (Source: Newari Back Translation)
• Hiligaynon: “(Is it) to the little-gods/false-gods which are-made by a carpenter, and overlaid with gold and decorated with silver chains?” (Source: Hiligaynon Back Translation)
• English: “What I proclaimed, I did not speak secretly
  or hide what I was saying by speaking in a dark place.
  When I spoke to the descendants of Jacob,
  I did not tell them
  ‘It will be useless for you to seek for/pray to me!’
  I, Yahweh, speak only what is true and what is right.” (Source: Translation for Translators)