Following are a number of back-translations as well as a sample translation for translators of Isaiah 22:9:

• Kupsabiny: “You saw that the walls were torn apart
  in the City of David.
  Then, you gathered/collected water
  in the lower pool.” (Source: Kupsabiny Back Translation)
• Newari: “You will see many holes in the wall of David’s city.
  You collected water in the lower pond.” (Source: Newari Back Translation)
• Hiligaynon: “You (plur.) looked-at the stone-walls of the Town of David so-that you (plur.) will-know where are its ruin-portions. You (plur.) stored-up water from the pool below.” (Source: Hiligaynon Back Translation)
• English: “You will see that there are many breaks/holes in the walls of Jerusalem.
  You will store water in the lower pool in the city.” (Source: Translation for Translators)