Following are a number of back-translations as well as a sample translation for translators of Job 20:7:

• Kupsabiny: “but they will perish on the dunghill.
  And/But then people will ask one another, ‘Hey, where did they go?’” (Source: Kupsabiny Back Translation)
• Newari: “Like his own dung he will be completely destroyed,
  all who have seen him will speak like this, "where has he gone, where [is he]?"” (Source: Newari Back Translation)
• Hiligaynon: “he will-disappear forever/[lit. until whenever] like his (own) dung. The ones who know him, will-ask where he is now.” (Source: Hiligaynon Back Translation)
• English: “they will disappear forever, like their own dung,
  and those who knew them will ask, ‘Where did they go/What happened to them?’” (Source: Translation for Translators)