Following are a number of back-translations as well as a sample translation for translators of Psalm 66:3:

• Chichewa Contempary Chichewa translation, 2002/2016:
  “Say to God, ‘Your works are really dangerous!
  Your power is very great
  so that your enemies bow before you.” (Source: Mawu a Mulungu mu Chichewa Chalero Back Translation)
• Newari:
  “Say to God —
  ‘What amazing works You have done.
  Your power is also so great, [that] the enemies,
  being in awe of You, will shrink with fear.” (Source: Newari Back Translation)
• Hiligaynon:
  “[You (plur.)] say to him, ‘O God, how marvelous/amazing (are) your (sing.) deeds.
  Because of your (sing.) great power, your (sing.) enemies kneel before you (sing.) in fear.” (Source: Hiligaynon Back Translation)
• Laarim:
  “Say to God, ‘People amazed by your work very much!
  Your power is much great, and because of this power,
  your enemies fear you in your presence.” (Source: Laarim Back Translation)
• Nyakyusa-Ngonde (back-translation into Swahili):
  “Mwambieni Mungu semeni,
  ‘Ni utukufu wa aina gani matendo yako!
  Nguvu zako ni kuu sana,
  ndio maana maadui zako wananyenyekea kwako.” (Source: Nyakyusa Back Translation)
• English:
  “They should say to God, ‘The things that you do are awesome!
  You are very powerful,
  with the result that your enemies cringe/ bow down in front of you.’” (Source: Translation for Translators)