Following are a number of back-translations as well as a sample translation for translators of Isaiah 2:12:

• Kupsabiny: “The day of the God of power is coming
  and all the people who boast will be punished.” (Source: Kupsabiny Back Translation)
• Newari: “On that day, the LORD Almighty will humble all
  who are proud and keep on boasting.” (Source: Newari Back Translation)
• Hiligaynon: “For the LORD Almighty has set a day to humble all the proud-ones, arrogant/[lit. ones who-think-highly-of-themselves], and those who consider themselves mighty.” (Source: Hiligaynon Back Translation)