Following are a number of back-translations as well as a sample translation for translators of Joel 2:21:

• Kupsabiny: “Do not fear, my people.
  Be happy and rejoice
  because God has done
  amazing things.” (Source: Kupsabiny Back Translation)
• Newari: “Oh nation of Judah, don’t be afraid!
  Rejoice and be glad because the LORD has done great things.” (Source: Newari Back Translation)
• Hiligaynon: “The land of Juda should not be-afraid, but-rather it should-rejoice for what the LORD has-done (is) very amazing/marvelous.” (Source: Hiligaynon Back Translation)
• Kankanaey: “‘You (sing.) land, do not be afraid but rather be-happy because of the amazing-things that I have-been-doing.” (Source: Kankanaey Back Translation)
• English: “He does wonderful things!
  So even the ground should rejoice!” (Source: Translation for Translators)