Following are a number of back-translations as well as a sample translation for translators of Isaiah 27:3:

• Kupsabiny: “Please, God has said,
  ‘I am God who is guarding this field.
  I sprinkle water on it again and again.
  I am guarding this field day and night
  so that no one spoils it.” (Source: Kupsabiny Back Translation)
• Newari: “I, the LORD, will take care of it.
  I will be giving it water.
  I will care for it night and day,
  otherwise someone might be able to destroy it.” (Source: Newari Back Translation)
• Hiligaynon: “I, the LORD, is the one-(who)-takes-care of this field of grapes/(vineyard). I always water it. I guard it day-(and)-night so-that no one may harm it.” (Source: Hiligaynon Back Translation)
• English: “I will protect you
  like a farmer waters his crops carefully in order that they will grow well.
  I will guard you day and night, in order that no one harms you.” (Source: Translation for Translators)