Following are a number of back-translations as well as a sample translation for translators of Proverbs 17:23:

• Kupsabiny: “A sinner takes/accepts a bribe,
  in order to cover the declaration of the truth.” (Source: Kupsabiny Back Translation)
• Newari: “The evil person takes a bribe in secret,
  and then he changes his verdict.” (Source: Newari Back Translation)
• Hiligaynon: “A wicked man accepts bribe so-that justice will- not -be-given.” (Source: Hiligaynon Back Translation)
• Kankanaey: “The bad judge, he receives bribes that are given-secretly and he does not ensure justice.” (Source: Kankanaey Back Translation)
• English: “Wicked people/judges accept bribes that are given to them secretly,
  and as a result they do not decide matters justly/fairly.” (Source: Translation for Translators)