Following are a number of back-translations as well as a sample translation for translators of Psalm 35:19:

• Chichewa Contempary Chichewa translation, 2002/2016:
  “Do not allow my deceptive enemies
  to rejoice because of my sufferings;
  do not allow that those who hate me without a reason
  that they should look at me sideways and mock me.” (Source: Mawu a Mulungu mu Chichewa Chalero Back Translation)
• Newari:
  “Don’t let my enemies rejoice in my defeat.
  Don’t let those who hate me needlessly,
  applaud my grief” (Source: Newari Back Translation)
• Hiligaynon:
  “Do- not -allow my traitor enemies to-rejoice over my defeat.
  Do- not -allow those who bear-a-grudge-against me without reason to-mock/ridicule me.” (Source: Hiligaynon Back Translation)
• Eastern Bru:
  “Request you not allow wicked people, like people who speak lies to be able to best me. Request you not allow them to be glad in their hearts when I feel sad.” (Source: Bru Back Translation)
• Laarim:
  “Do not allow my enemies to laugh at me
  enemies who will blame me for nothing.
  Do not allow people who hate me for nothing,
  to plan to want to kill me.” (Source: Laarim Back Translation)
• Nyakyusa-Ngonde (back-translation into Swahili):
  “Usiwache maadui zangu,
  kunicheka mimi katika uongo wao.
  Usiwache ambao wananichukia,
  kunisengenya mimi bila hatia.” (Source: Nyakyusa Back Translation)
• English:
  “Do not allow my enemies, who tell lies about me, defeat me
  and then rejoice!
  Do not allow those who hate me when there in no reason to hate me
  to smirk/smile happily!” (Source: Translation for Translators)