Following are a number of back-translations as well as a sample translation for translators of Jeremiah 9:18:

• Kupsabiny: “Then the people said,
  ‘Let them hurry right away
  to come and mourn for us,
  until tears flow from our eyes,
  streaming from the eyes like water.’” (Source: Kupsabiny Back Translation)
• Hiligaynon: “Let- them -come- -quickly to cry over my people until their tears will- extremely -overflow.” (Source: Hiligaynon Back Translation)
• English: “Tell them to come quickly and start to wail,
  with the result that tears will stream down from your(pl) eyes.” (Source: Translation for Translators)