gate. city. Put by Figure of speech Metonymy (of Subject), for the people in them.
none shall be alone. there shall be no stragglers.
in. at.
Related Commentaries of Isaiah 14:31
Isaiah 14:31
31 Howl, O gate; cry, O city; thou, whole Palestina, art dissolved: for there shall come from the north a smoke, and none shall be aloneg in his appointed times.