Following are a number of back-translations as well as a sample translation for translators of Ecclesiastes 11:10:

• Kupsabiny: “So, do not let things disturb your head because the days of your youth are short.” (Source: Kupsabiny Back Translation)
• Newari: “Since it is like that, abandon the anxiety in your heart,
  and cast off the pain of your body,
  for youth and strength are meaningless.” (Source: Newari Back Translation)
• Hiligaynon: “[You (sing.)] do- not -worry or be-in-difficulty/be-stressed for being-young/youth is just passing-by.” (Source: Hiligaynon Back Translation)
• English: “I searched for the right words, and what I have written is reliable and true.” (Source: Translation for Translators)