megalopolis, megacity

a satellite town

a city state

a metropolis, a large city

port city

see you later (said by a person staying, a stock phrase required by the Japanese etiquette, lit.: (after) going, come back)

行っていらっしゃい: alternative form of いってらっしゃい (itterasshai)

see you later (said by a person leaving, a stock phrase required by the Japanese etiquette, lit.: (after) going, I will come back)

run into, hit, strike

carry, take, bring (something)