Following are a number of back-translations as well as a sample translation for translators of Psalm 90:15:

• Chichewa Contempary Chichewa translation, 2002/2016:
  “Make us happy many days according to the days you have afflicted us,
  for many years according to how we have seen problems.” (Source: Mawu a Mulungu mu Chichewa Chalero Back Translation)
• Newari:
  “Make us glad for as many days as You have tormented us,
  and for as many years as we experienced trouble.” (Source: Newari Back Translation)
• Hiligaynon:
  “Give us (excl.) joy like the length of the years that you (sing.) punished us (excl.) and caused- (us) -to-suffer.” (Source: Hiligaynon Back Translation)
• Laarim:
  “You make us to be happy in days which are the same
  like when you gave us suffering,
  like years which were many which we saw the suffering.” (Source: Laarim Back Translation)
• Nyakyusa-Ngonde (back-translation into Swahili):
  “Utupe furaha nyingi,
  kufanana na miaka mingi ambayo tumeteseka,
  mingi kufanana na ambayo tumetaabika.” (Source: Nyakyusa Back Translation)
• English:
  “Cause us to now be as happy for as many years as you afflicted us/caused us to be sad and we experienced troubles.” (Source: Translation for Translators)