A red sky at night often indicates fine weather the next day.

夜空呈红色往往预兆第二天天气晴朗。

《牛津词典》

Morning sunrise dyed red sky, also dyed red our big playground.

早晨，朝霞染红了天边，也染红了我们的大操场。

youdao

Red sky was noticed and photographed, including a red sky at night!

红色天空被注意到并拍摄下来，包括红色天空的夜景。

youdao

She's cocoa brown with the red undertones. She's got the night sky in her eyes, but she wears glitter shirts so she can shine.

VOA: special.2009.04.27

I looked up to the sky and saw the Red Planet Mars.

VOA: special.2010.07.31

The Audit Office traced problems with Red Sky, or its predecessor companies, dating back at least 12 years.

BBC: Red Sky

Last year's audit came after the Housing Executive's contract with the Red Sky maintenance company was terminated in 2011.

BBC: PAC report says Housing Executive is 'out of control'

Some of the problems related to the now defunct Belfast company, Red Sky.

BBC: 'Weaknesses' in NIHE contract management