Following are a number of back-translations as well as a sample translation for translators of Isaiah 26:2:

• Kupsabiny: “Open the gates of the city
  so that the righteous nation/people can enter
  and honor God.” (Source: Kupsabiny Back Translation)
• Newari: “Open the main gate of the city and the faithful nations, the ones that do right work, let them enter.” (Source: Newari Back Translation)
• Hiligaynon: “Open the entrance/gates of the city so-that the righteous nation can-go-in, the nation that is faithful to the LORD.” (Source: Hiligaynon Back Translation)
• English: “Open the gates of the city for people who are righteous;
  allow people who faithfully obey Yahweh to enter the city.” (Source: Translation for Translators)