Following are a number of back-translations as well as a sample translation for translators of Job 20:23:

• Kupsabiny: “When (they) are satisfied.
  God will punish and destroy (them).” (Source: Kupsabiny Back Translation)
• Newari: “After he fills his stomach God will pour out His anger upon him.
  At that time God will cause his anger to fall upon him like rain.” (Source: Newari Back Translation)
• Hiligaynon: “When he now fills[normally meaning with food] himself, God will-have -him-experience his fierce anger, and he will-rain-upon him punishment.” (Source: Hiligaynon Back Translation)
• English: “When the wicked people are filling their stomachs,
  God will show that he is very angry with them and punish them;
  the punishment that he gives them will be like rain falling on them.” (Source: Translation for Translators)