Following are a number of back-translations as well as a sample translation for translators of Psalm 37:20:

• Chichewa Contempary Chichewa translation, 2002/2016:
  “But the wicked will perish;
  the enemies of Jehovah will be like the beauty of the bush,
  they will disappear like smoke.” (Source: Mawu a Mulungu mu Chichewa Chalero Back Translation)
• Newari:
  “The wicked will be destroyed.
  People who hate the LORD
  will disappear like wild flowers,
  They will disappear like smoke.” (Source: Newari Back Translation)
• Hiligaynon:
  “But the wicked will-be-destroyed.
  They who (are) the enemies of the LORD will-die like flower.
  They will-vanish like/as-if smoke.” (Source: Hiligaynon Back Translation)
• Eastern Bru:
  “But wicked people will perish. Those who don’t want God, surely they will die like flowers on trees in the forest. And they will disappear like smoke.” (Source: Bru Back Translation)
• Laarim:
  “But instead, bad people will die.
  The enemies of the LORD will stay like the beauty of gardens,
  then they will disappear like smoke.” (Source: Laarim Back Translation)
• Nyakyusa-Ngonde (back-translation into Swahili):
  “Lakini watenda mabaya watakuja kufa,
  kama vile maua ya katika mashamba.
  Maadui wa BWANA watakuja kwisha,
  watakuja kupotea kama vile moshi.” (Source: Nyakyusa Back Translation)
• English:
  “But wicked people will die;
  just like the beautiful wild flowers in the fields die under the hot sun and disappear like smoke,
  Yahweh will cause his enemies to suddenly disappear.” (Source: Translation for Translators)