Following are a number of back-translations as well as a sample translation for translators of Job 10:21:

• Kupsabiny: “before I go to the place of the dead
  where I am buried and closed up in complete darkness!” (Source: Kupsabiny Back Translation)
• Newari: “before I go to deep dark pit,
  never to return from the country of black shadows.” (Source: Newari Back Translation)
• Hiligaynon: “before I go to the place which is sad and dark, where I can no-longer return here.” (Source: Hiligaynon Back Translation)