If you are looking up at the sky on a clear night and you see a sudden flash of light, it is probably a shooting star!

如果你在晴朗的夜晚仰望天空，突然看到一道闪光，那可能是颗流星！

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It will be a clear night with some ground frost.

今夜晴，部分地面有霜冻。

《牛津词典》

Stars were billiant in the clear night sky.

星星在夜空中光辉灿烂。

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However,the justice was clear that the full glory of the night belonged to the hopeful graduates.

VOA: standard.2010.06.05

And Flynn says the cloud is spreading. "The southern part of Europe is for the most part clear (OMITTED) but the volcanic ash cloud is anticipated to extend slightly further south and eastward during this night."

VOA: standard.2010.04.16

It was a clear night, and the lights from remote farmhouses and hamlets were visible.

NEWYORKER: The Next Crusade

On a clear night, with the stars and planets blazing above you, it could be breathtakingly beautiful, he said.

NEWYORKER: The Martian Chroniclers

FITSAT-1 will try and fulfill all requests for appearances, but it can't control the weather, so you'd better hope for a clear night if it visits your part of the world.

ENGADGET: Japan's LED-stacked cubesat will burn Morse code into the heavens