Following are a number of back-translations as well as a sample translation for translators of Proverbs 17:25:

• Kupsabiny: “A foolish child brings suffering to his father
  and pains his mother.” (Source: Kupsabiny Back Translation)
• Newari: “A foolish son causes his father’s heart to weep,
  [and] gives sorrow to [his] mother.” (Source: Newari Back Translation)
• Hiligaynon: “A foolish child gives sadness and pain to his parent.” (Source: Hiligaynon Back Translation)
• Kankanaey: “Sorrow and sadness (lit. pain of thoughts) are what a foolish child gives to his father and mother.” (Source: Kankanaey Back Translation)
• English: “Children who are foolish cause their father to be sad
  and also cause their mother to be very sorrowful.” (Source: Translation for Translators)