多么灰暗的天空！

Eg. How gray the sky is!

当人们睡醒时，看到一个灰暗的天空，他们会感觉如何？

How do people feel when they wake up to day when the sky is a dirty grey?

铁青色的天空中飞鸟绝迹，灰暗的大地上不见动静。

There is no bird in the steel-blue heaven, no movement upon the dull, gray earth–above all, there is absolute silence.