in city还是in the city?

in city还是in the city? in city还是in the city in the city还是in the cities .是live in city还是live in the city? Living in the City water city in the in the city he lives in the city还是he lives in a city是"他生活在城市" held in the city of Guangzhou 还是 held in city of Guangzhou on the road of the city还是on the road in the city in the big city 意思 make it in the city