Following are a number of back-translations as well as a sample translation for translators of Psalm 64:6:

• Chichewa Contempary Chichewa translation, 2002/2016:
  “They prepare unjust (things) and they say,
  ‘We have prepared a very good arrangement!’
  Surely the thoughts and hearts of a person are deceitful.” (Source: Mawu a Mulungu mu Chichewa Chalero Back Translation)
• Newari:
  “Making evil plans they say —
  ‘We have devised a solid plan.
  The hearts and minds of people are difficult to understand.” (Source: Newari Back Translation)
• Hiligaynon:
  “They plan evil
  and they say, ‘Our (incl.) plan (is) really/[emphasis marker] good!’
  The mind/[lit. thinking] and heart of a person/man can- not ever -be-fathomed!” (Source: Hiligaynon Back Translation)
• Laarim:
  “They plan for bad matters and said that,
  ‘We planned matter which will be seen to be done.’
  True, the heart and thinking of a person is matter which be secret.” (Source: Laarim Back Translation)
• Nyakyusa-Ngonde (back-translation into Swahili):
  “Wanatafutiza kufanya mabaya,
  wanasema, ‘Tumepanga kwa ujanja vizuri!’
  Ya sirini yamefichwa katika moyo wa mtu.” (Source: Nyakyusa Back Translation)
• English:
  “because we have planned very well the crime that we are going to commit!’
  No one can fully understand what people can think and plan!” (Source: Translation for Translators)