Cover the ground and cover the sky
Covering the sky, a Chinese idiom, the Pinyin is zh ē D ì g à ITI ā n, which means to describe the wind and sand, heavy rain and snow or a lot of people and horses. It's from the Dragon Boat Festival in May.
The origin of Idioms
Li Ji's "may Duanyang · Daheng mountain" said: "once the big and small strongholds were swept away, the Red Army and the red guards covered the ground."
Idiom usage
It is used as predicate, attribute and adverbial.
Cover the ground and cover the sky
have a recurrence of an old illness - jiù bìng fù fā