Following are a number of back-translations as well as a sample translation for translators of Proverbs 27:6:

• Kupsabiny: “It is better for your friends to cause you pain,
  than when your enemy embraces you.” (Source: Kupsabiny Back Translation)
• Newari: “Even though a friend gives you heartache,
  you need not be afraid.
  but the kisses of an enemy are frightening.” (Source: Newari Back Translation)
• Hiligaynon: “A hurtful rebuke of a friend has a good purpose, but a kiss of an enemy can- not -be-trusted.” (Source: Hiligaynon Back Translation)
• Kankanaey: “You (sing.) can trust the motives of a friend whose advice causes-hurt, but the many kisses of an enemy are just-lies.” (Source: Kankanaey Back Translation)
• English: “If a friend criticizes you, he is a good friend and you can trust him;
  but if one of your enemies kisses you, he is probably wanting to deceive you.” (Source: Translation for Translators)