Following are a number of back-translations as well as a sample translation for translators of Isaiah 21:8:

• Kupsabiny: “Then the guard calls out,
  ‘Sir, I am standing where one can look far,
  and I am on guard the whole day,
  and I stay there till morning.” (Source: Kupsabiny Back Translation)
• Newari: “That sentinel cried out loudly like this,
  "O LORD, day after day I am standing in the tower [where] I am a watchman,
  and night after night I stay without sleeping in the place [where] I am a watchman.” (Source: Newari Back Translation)
• Hiligaynon: “The guard shouted, ‘Sir, day-(and)-night I watch on the tower.” (Source: Hiligaynon Back Translation)
• English: “So I did that, and one day the watchman called out,
  ‘Day after day I have stood on this watchtower,
  and I have continued to watch during the day and during the night.” (Source: Translation for Translators)