The city starts to come alive after dark.

这座城市天黑以后便热闹起来。

《牛津词典》

Paris, the city of light, may also show its dark side to visitors.

巴黎，这座光明之城，也会向游客展露出它的阴暗面。

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The surrounding mountains are home to observatories and the city has strict ‘dark skies' regulations on lighting (downward).

周围的群山上有很多气象站城市为了保持“安宁的夜晚”对人造光线有着严格的控制。

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Officials would order all lights in a city turned off to make it difficult for enemy planes to find a target in the dark of night.

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In fact, shortly after returning to New Orleans, when much of the city was dark, he convinced the utility company to divert electricity to the neighborhood around his church.

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Exactly halfway across the Williamsburg Bridge, the city goes dark.

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He did not know that it was already behind him, somewhere back in that vast obscurity beyond the city, where the dark fields of the republic rolled on under the night.

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