以夜继日

Explanation: Connected with the time during the day and night, day and night. 　　Source: "Lu asked to identify" the custom of Zhongshan, the day is night, the night following the day, men and women cut lean, solid no rest. " 　　Examples: Poor family library, ~, the ancient city of steal light reading, but this is useless. ★ Yuan Xin Wen room "Don Chuan Wang compliance wit"