Dreaming that the city gate is wide open means that it is easy to say the wrong thing and offend people.

I dreamed of attacking the city gate with weapons. Success in breaking the city would be a good omen, and failure to break would be a bad omen.

Dreaming of building a city wall is an auspicious dream.

Merchants dream of building city walls, which indicates that doing business will be successful and profitable.

(Editor in charge：naturally)