Following are a number of back-translations as well as a sample translation for translators of Deuteronomy 33:25:

• Kupsabiny: “Their gates will have locks of iron and bronze
  and (they) shall get power in all their lives.’” (Source: Kupsabiny Back Translation)
• Newari: “May the crossbars on their main gates be of iron and bronze,
  their strength will be as their days."” (Source: Newari Back Translation)
• Hiligaynon: “May the gates of their towns are protected with iron and bronze bolts/bars,
  and may their greatness will-remain while they are alive.” (Source: Hiligaynon Back Translation)
• English: “Their towns will be protected by high walls with gates that have bronze and iron bars;
  I desire/hope that they will be strong and secure/protected all the time that they are alive.” (Source: Translation for Translators)