I am looking over the east sky with anxious mind, but the sky is too dark to know it's nearly dawn if no one informed. 英語が下手でわからなかったらすいません。

文字通りのことではありませんが、このように英訳するだろうと思います Anxiously I looked up into the eastern sky, but it was still so dark that it was impossible to tell whether or not it would soon be dawn.