Indigo sky swept clear of fleecy clouds, gaunt trees infinitely extended, their black boughs gesticulating like a sleepwalker.

蔚蓝色的天空上鹅毛般的云丝被吹散了，干枯的树木无限延伸，黑呼呼的树枝像一个有梦游症的人那样打着各种手势。

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The sky was indigo blue, and a great many stars were shining.

月亮出来时，天空是深蓝色的，非常晴朗。

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The sky was indigo blue, and a great many stars were shining.

天空一片深蓝，闪烁着点点繁星。

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It was colder than ever now, but the sky had cleared, and a bright moon had emerged from the clouds, cold and white in a pool of indigo sky right above the garden.

NEWYORKER: The Cold Outside