Following are a number of back-translations as well as a sample translation for translators of Ecclesiastes 7:21:

• Kupsabiny: “Do not believe everything that people say, you might hear your servant abuse you,” (Source: Kupsabiny Back Translation)
• Newari: “Do not give careful attention to all the things that people say,
  Otherwise you may have to hear your servant curse you.” (Source: Newari Back Translation)
• Hiligaynon: “Do not listen to all that people say, for you (sing.) might hear that you (sing.) are being-cursed by your (sing.) servant.” (Source: Hiligaynon Back Translation)
• English: “Do not pay attention to everything that people say,
  because if you do that, you might hear your servant cursing you.” (Source: Translation for Translators)