Following are a number of back-translations as well as a sample translation for translators of Isaiah 42:3:

• Kupsabiny: “He shall never break a fragile reed,
  nor extinguish a dying torch.
  He shall see that truth/justice is done.” (Source: Kupsabiny Back Translation)
• Newari: “He will not break a fragile bamboo reed,
  He will not extinguish the flickering light in a small earthen lamp,
  He will do justice in accordance with truth.” (Source: Newari Back Translation)
• Hiligaynon: “He will- not -abandon the ones (who are) weak in (their) faith or abandon the ones who- now -lost hope. In his faithfulness he will- surely -make- justice -to-be-done.” (Source: Hiligaynon Back Translation)