Following are a number of back-translations as well as a sample translation for translators of Job 35:15:

• Kupsabiny: “You are thinking that maybe God does not punish people,
  or that he does not know the sin that people do.” (Source: Kupsabiny Back Translation)
• Newari: “You say, that God does not punish with anger
  and that He pays no attention to transgressions.” (Source: Newari Back Translation)
• Hiligaynon: “You (sing.) still say that God does- not -punish although/even-though he is already angry, and he never pays-any-attention to the wickedness that man does.” (Source: Hiligaynon Back Translation)
• English: “Furthermore, you say that because he does not pay attention when people commit sins,
  he does not become angry and punish them.” (Source: Translation for Translators)