Following are a number of back-translations as well as a sample translation for translators of Proverbs 15:10:

• Kupsabiny: “(A) person who does evil deeds will be punished much
  and a person who does not like/want to be counselled/brought back will be destroyed.” (Source: Kupsabiny Back Translation)
• Newari: “Anyone who abandons the good path
  will be punished severely.
  Anyone who does not accept correction
  will die.” (Source: Newari Back Translation)
• Hiligaynon: “The straightening of behavior is-considered as bad by a man who distances-(himself) from the right path. The man who does not want to-be-rebuked will-die.” (Source: Hiligaynon Back Translation)
• Kankanaey: “Serious (lit. heavy) is the punishment of one who does what is not right. One who dislikes/rejects advice will moreover die.” (Source: Kankanaey Back Translation)
• English: “Those who do what is wrong will be severely punished;
  those who do not want to be corrected will die.” (Source: Translation for Translators)