Following are a number of back-translations as well as a sample translation for translators of Proverbs 26:27:

• Kupsabiny: “A person who sets a trap for others may be caught in it
  and a stone a person pushes to others, will crush him.” (Source: Kupsabiny Back Translation)
• Newari: “Whoever digs a pit will fall into that very pit.
  Whoever rolls a rock,
  it will be on him that the rock rolls.” (Source: Newari Back Translation)
• Hiligaynon: “The one-who-digs a hole/pit so-that others will-fall, he himself will-fall. The one-who-rolls a stone so-that others will-be-rolled-upon, he himself will-be-rolled-upon.” (Source: Hiligaynon Back Translation)
• Kankanaey: “One who digs a pit, he is the very one who will fall-in (lit. be-placed-inside), if he rolls- a rock -over/down, it-will-return and will crush him.” (Source: Kankanaey Back Translation)
• English: “Those who dig a deep pit for other people to fall into will fall into it themselves;
  rocks will roll down on those who start to cause rocks to roll down to crush someone.” (Source: Translation for Translators)