Will the sky turn dark, will the rain begin?

天空又会变得灰暗，然后下起雨来？

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Then the mountains will slowly turn dark green.

接着群山将慢慢变成深绿色。

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Night fell, the hills in the distance turn dark blue.

夜色渐近，远处的山变成了深蓝色。

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He could turn off a light and then jump into his bed before the room got dark.

VOA: special.2009.01.24

Suppose that Darth Vader uses the force, the dark side--the force of course, Darth Vader uses the dark side of the force to destroy, to turn into pea soup Luke Skywalker's brain.

假设达斯·维特使用特别手段，使用厉害的手段，他损坏的是,卢克·天行者的大脑,把卢克变成了个废物。

耶鲁公开课 - 死亡课程节选

White looks best live, and it won't turn dark at the neck if you get overheated.

FORBES: Magazine Article

You slowly turn a dark, hostile world into a place where people whisper your name in awe.

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Julie Taymor has left the troubled Broadway spectacular Spider-Man: Turn Off the Dark, according to unconfirmed reports.

FORBES: Julie Taymor Reportedly Leaves Spider-Man