Following are a number of back-translations as well as a sample translation for translators of Job 15:18:

• Kupsabiny: “Wise men have taught me
  so that they have not hidden from me the words that their elders of long ago told them,” (Source: Kupsabiny Back Translation)
• Newari: “Those who have wisdom have told openly [lit.: without hiding them] of matters taken from their own fathers.
  The land was given exclusively [lit.: only] to them.
  There were no foreigners living among them.” (Source: Newari Back Translation)
• Hiligaynon: “The wise men who had-learned from their ancestors can- also -tell about this.” (Source: Hiligaynon Back Translation)