变天

kàn qǐ lai mǎ shàng yào biàn tiān

看起来马上要变天。

The weather is bound to change soon.

jīn wǎn yě xǔ yào biàn tiān

今晚也许要变天。

Perhaps the weather will change this evening.

nà yè yòu biàn tiān le

那夜又变天了。

That night, too, the weather changed.

wàng tú biàn tiān

妄图变天

attempt to stage a coup