以日继夜

Explanation: Then during the day and night, around the clock. 　　Source: "Chen Shu Zheng Zhuo Biography" burning a poor family, day and night to copy Yi Shu, pen cents to make each cut with it. " 　　Examples: Lange sister day is dusk, the so-called 'Robinson BU its day, uncertain of their night' Please give meal stop. Sister on the use of 'Twilight' words assignment to gather a few to remember that day - was intended. ★ Qing Li Ruzhen "Flowers in the Mirror" Ninety-second back