Following are a number of back-translations as well as a sample translation for translators of Psalm 71:15:

• Chichewa Contempary Chichewa translation, 2002/2016:
  “My mouth will describe about your righteousness,
  about your salvation all day,
  though I do not know its measure.” (Source: Mawu a Mulungu mu Chichewa Chalero Back Translation)
• Newari:
  “I will keep telling everyone
  the good things You have done.
  Every day I will tell of Your salvation.
  Though I am not really able
  to tell the work that You do.” (Source: Newari Back Translation)
• Hiligaynon:
  “I will- always -tell-about your (sing.) righteous deeds/[lit. doing] which is saving your (sing.) people,
  even-though I can- not -fathom this.” (Source: Hiligaynon Back Translation)
• Laarim:
  “I will tell your kindness with my mouth,
  I will tell your salvation all day long,
  even though your salvation is bigger more the matter that I know.” (Source: Laarim Back Translation)
• Nyakyusa-Ngonde (back-translation into Swahili):
  “Nitatangaza matendo yako ya unyofu,
  nitatangaza mchana wote matendo yako ya wokovu,
  ijapokuwa hayo yameipita akili yangu.” (Source: Nyakyusa Back Translation)
• English:
  “I will tell people that you do what is right;
  all day long I will tell people how you have saved me,
  although what you have done is more than I can fully understand.” (Source: Translation for Translators)