Following are a number of back-translations as well as a sample translation for translators of Psalm 12:3:

• Chichewa Contempary Chichewa translation, 2002/2016:
  “You Jehovah close all the fraudulent lips
  and every proud mouth.” (Source: Mawu a Mulungu mu Chichewa Chalero Back Translation)
• Newari:
  “LORD, Cut off all flattering tongues,
  and shut all boastful mouths.” (Source: Newari Back Translation)
• Hiligaynon:
  “LORD, may-it-be-that you (sing.) cause- the ones-(who) -flatter/insincerely-praise others and the ones-(who)-boast -to-be-silent” (Source: Hiligaynon Back Translation)
• Eastern Bru:
  “Oh God! Request that you do away with people speaking flattery, and people who customarily raise themselves up.” (Source: Bru Back Translation)
• Laarim:
  “Let the LORD cut off all the mouths which lie,
  and tongues who are boasting,” (Source: Laarim Back Translation)
• Nyakyusa-Ngonde (back-translation into Swahili):
  “Ee BWANA, uikate midomo ya udanganyifu,
  uzinyamazishe ndimi ambazo zinajisifu,” (Source: Nyakyusa Back Translation)
• English:
  “Yahweh, we wish that you would cut off their tongues
  so that they cannot continue to boast.” (Source: Translation for Translators)