Following are a number of back-translations as well as a sample translation for translators of Job 21:20:

• Kupsabiny: “Let sinners meet with their punishment,
  so that they know that it is very bitter when the God of power becomes angry.” (Source: Kupsabiny Back Translation)
• Newari: “May he experience his destruction with his [own] eyes,
  and may he drink the anger of The Almighty.” (Source: Newari Back Translation)
• Hiligaynon: “and they can see themselves their destruction. Let them test the anger of the Almighty God.” (Source: Hiligaynon Back Translation)
• English: “I hope/wish that wicked people will experience themselves being destroyed,
  that they will experience being punished by an angry Almighty God.” (Source: Translation for Translators)