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

• Kupsabiny: “Their bulls produce their cows while fertilizing them
  and those cows produce without having miscarriages.” (Source: Kupsabiny Back Translation)
• Newari: “Their bulls cause their cows to give birth to calves.
  Their calves are not miscarried.” (Source: Newari Back Translation)
• Hiligaynon: “Their cows do- not -fail to give-birth, and they also do- not -miscarry.” (Source: Hiligaynon Back Translation)
• English: “Their bulls always mate with the cows successfully,
  and the cows give birth to calves and never miscarry.” (Source: Translation for Translators)