Following are a number of back-translations as well as a sample translation for translators of Job 31:20:

• Kupsabiny: “I gave (them) warm clothes
  of the hair of my sheep.
  Then, they asked for blessings on me from their stomach/heart.” (Source: Kupsabiny Back Translation)
• Newari: “When I gave them clothes to warm [them]
  did they refrain from blessing me?” (Source: Newari Back Translation)
• Hiligaynon: “I give him clothes for-cold-season which is made from the wool of my sheep. Then he thanks me heartily.” (Source: Hiligaynon Back Translation)