继晷焚膏

Explanation: Following: to continue to succeed; sundial: Daylight; cream: fat, that candle. Lit candles or oil lamps replaced daylight. Describe the study or work hard day and night. 　　Source: Tang Han Yu "into learning solutions" burn ointment to continue sundial, Hang Wu Wu in poor years. " 　　Examples: Albatron dream Yao, and the school becoming the Court, ~. ★ Ming Shao Formosa "Sachet mind Keiju"