Following are a number of back-translations as well as a sample translation for translators of 2 Samuel 22:27:

• Kupsabiny: “You show uprightness to the upright one,
  but you turn your back to the crooked one.” (Source: Kupsabiny Back Translation)
• Newari: “To people who have pure hearts You show yourself pure,
  but to wicked you show yourself clever.” (Source: Newari Back Translation)
• Hiligaynon: “You are sincere to those who-are-sincere to you,
  and good deceiver to those who-are-wicked.” (Source: Hiligaynon Back Translation)
• English: “You act sincerely toward those whose inner beings are pure,
  but you are hostile to those who are perverse/wicked.” (Source: Translation for Translators)