Following are a number of back-translations as well as a sample translation for translators of Isaiah 1:25:

• Kupsabiny: “I shall do something to you, Jerusalem
  and wash you and remove all dirt from you.” (Source: Kupsabiny Back Translation)
• Newari: “I will lift my hand against you,
  and like silver is melted and purified,
  I will purify you
  from all [that is] impure.” (Source: Newari Back Translation)
• Hiligaynon: “I will-punish you (plur.) so that you (plur.) will-be-cleansed, like silver being-purified in the fire.” (Source: Hiligaynon Back Translation)