Following are a number of back-translations as well as a sample translation for translators of Zephaniah 3:6:

• Kupsabiny: “God is saying, ‘I have wiped away other communities and overturned their protected/fortified cities. Their roads are deserted/desolate with no one passing through. Their cities have become deserted so that no person lives there.” (Source: Kupsabiny Back Translation)
• Newari: “‘I have destroyed all the nations.
  their strongholds are demolished.
  their streets deserted,
  no one passing the way.
  Their cities are totally destroyed
  then in their empty no one is left people.” (Source: Newari Back Translation)
• Hiligaynon: “‘Now, the LORD says, ‘I have-destroyed the nations; I have-destroyed their cities as-well-as its stone-walls and towers. There (was) none left of their residents, so there (was) no man/person anymore who can-be-seen walking in their streets.” (Source: Hiligaynon Back Translation)
• English: “Yahweh says this:
  ‘I have destroyed many nations;
  I have destroyed their strong/high city walls and towers.
  Now I have caused the streets in those cities to be completely deserted ;
  the cities are ruined.
  There are no people still alive in the cities;
  they are all dead.” (Source: Translation for Translators)