蔽日遮天

Explanation: Covered the sky and the sun. Describe the scope of cover is very broad. 　　Source: Wei Li Yuan Road, "Waterways River": "seven years from the Three Gorges, the Liangya Hill, slightly non-Que place, heavy rock peaks, hidden-day blocks out the sun, from the midnight hours non-stop, but not Xi months. " 　　Examples: Sly difficult to poverty, rape and inscrutable, ~, Yi Sha points north and south. ★ clear possession of the owner of smallpox, "Jade sticks Angeles"