昧旦晨兴

Explanation: Mei Dan: dawn. It means before dawn. Described as hard or worry 　　Usage: Joint type; as predicate; with compliment 　　Source: "Book of Jin Emperor Jianwen Ji": "true that Bumei Dan Sunrise, Yefen forget sleep." 　　Examples: If the prisoner is the only King of Zhao, Ling moved to the room, thin heart study, ~, do not Yan Ji and beauty, funeral payments by Yu and Yu, Chi sprinkle want to drink, sad to fill Ying, Long live ages, as resentment Nansheng. ★ Southern Liang Jiang Yan "hate Fu"