Following are a number of back-translations as well as a sample translation for translators of Job 41:4:

• Kupsabiny: “Or might it accept to make an agreement with you
  to become your slave in all days?” (Source: Kupsabiny Back Translation)
• Newari: “What! will he promise you
  that he will continue to be your slave forever?” (Source: Newari Back Translation)
• Hiligaynon: “Will- he -make a covenant with you (sing.) that he will-be-enslaved under you (sing.) for his entire life?” (Source: Hiligaynon Back Translation)
• English: “Will they make an agreement with you to work for you,
  to be your slaves as long as they live?” (Source: Translation for Translators)