Following are a number of back-translations as well as a sample translation for translators of Proverbs 21:27:

• Kupsabiny: “If/When God hates what a sinner gives to him (as a gift/blessing),
  what about when a black-stomached/envious person gives (something).” (Source: Kupsabiny Back Translation)
• Newari: “The Lord hates the sacrifices
  offered by wicked people.
  Even more,
  He hates offerings done with bad intentions.” (Source: Newari Back Translation)
• Hiligaynon: “The LORD detests the offerings of the wicked, especially if they offer it with bad/evil motive.” (Source: Hiligaynon Back Translation)
• Kankanaey: “God hates the offering/sacrifice of a sinner, even-more-so if his motives are bad.” (Source: Kankanaey Back Translation)
• English: “Yahweh detests the sacrifices that wicked people offer to him;
  but he detests it even more when they think that they will escape being punished for their evil deeds because of the sacrifices that they bring.” (Source: Translation for Translators)