Following are a number of back-translations as well as a sample translation for translators of Proverbs 28:21:

• Kupsabiny: “It is not good to be partial,
  and a person who accepts to be given a bribe to distort matters is sinful.” (Source: Kupsabiny Back Translation)
• Newari: “It is not good to play favorites.
  But people do evil things
  for a piece of bread.” (Source: Newari Back Translation)
• Hiligaynon: “(It is) not good if you (sing.) show/[lit. have] partiality. But there are people who do this because they are carried-away by bribe, even a little of this.” (Source: Hiligaynon Back Translation)
• Kankanaey: “The showing-of-favoritism-to someone is not good, but there are nonetheless some who can-be-bribed for merely one bread.” (Source: Kankanaey Back Translation)
• English: “It is not good for judges to decide matters unfairly/unjustly,
  but some people will do what is wrong even if they receive only a very small bribe for doing it.” (Source: Translation for Translators)