Following are a number of back-translations as well as a sample translation for translators of Proverbs 20:1:

• Kupsabiny: “Beer makes people despise one another and fight.
  A person who spends all (his) time on beer is a fool/misfit.” (Source: Kupsabiny Back Translation)
• Newari: “Wine causes heckling and liquor brings disputes.
  The one who drinks either of these (wine or liquor)
  does not have wisdom.” (Source: Newari Back Translation)
• Hiligaynon: “Too much drinking of drinks that cause-drunkenness is causing- a man -to-become-foolish. A man who is-getting-drunk is not wise.” (Source: Hiligaynon Back Translation)
• Kankanaey: “The one who drinks alcoholic-beverage habitually-mocks and habitually-makes-a-racket. The drunkard is mindless.” (Source: Kankanaey Back Translation)
• English: “Drinking a lot of wine or other strong drinks causes people to start fighting;
  it is foolish to become drunk/intoxicated.” (Source: Translation for Translators)