Following are a number of back-translations as well as a sample translation for translators of Psalm 137:6:

• Chichewa Contempary Chichewa translation, 2002/2016:
  “Let my tongue stick to the gums of my mouth
  if I do not remember you Jerusalem,
  if I do not consider you
  my great joy.” (Source: Mawu a Mulungu mu Chichewa Chalero Back Translation)
• Newari:
  “If I do not remembered you,
  if I do not consider Jerusalem
  my most important joy,
  Let my tongue cling to the roof of my mouth.” (Source: Newari Back Translation)
• Hiligaynon:
  “May-it-be that I can- not -speak if I not remember and consider- Jerusalem -(to be) my great joy.” (Source: Hiligaynon Back Translation)
• Laarim:
  “My tongue should be stuck to the roof of my mouth,
  if I do not remember you,
  if I do not put Jerusalem
  to be my great happiness.” (Source: Laarim Back Translation)
• Nyakyusa-Ngonde (back-translation into Swahili):
  “Ulimi wangu ung’ang’anie kaakaa la kinywa changu,
  iwapo sikukumbuki wewe, ee Yerusalemu,
  iwapo sikuweki juu,
  kuzidi furaha yangu kubwa sana.” (Source: Nyakyusa Back Translation)
• English:
  “Do not allow me to sing again,
  if I forget about Jerusalem,
  if I do not consider that Jerusalem causes me to be more joyful than anything else does.” (Source: Translation for Translators)