Following are a number of back-translations as well as a sample translation for translators of Proverbs 2:15:

• Kupsabiny: “Their paths are crooked paths and their behaviors have gone astray.” (Source: Kupsabiny Back Translation)
• Newari: “These [understanding and insight]
  will keep you far away from evil doers.
  and [deliver us from] those
  who abandon the good path
  to go down the dark path,
  and [deliver us from] those
  who keep on rejoicing
  in false and evil work,
  and deliver [us] from untrustworthy liars.” (Source: Newari Back Translation)
• Hiligaynon: “Their ways are not right; what they are-walking-on is not straight.” (Source: Hiligaynon Back Translation)
• Kankanaey: “They are tricky and liars, they can never-be-trusted.” (Source: Kankanaey Back Translation)