study by the light of burning rice bran
However, as a Chinese idiom, Pinyin is R á NK à ngz à zh à o, which means diligent and studious. It comes from the biography of Gu Huan in southern history.
The origin of Idioms
Gu Huan biography of Southern History: "in the countryside, there is a school house. Huan is poor and has no job. He leans on the wall of the house and listens. There is no one who forgets. In the evening, you can read in the Song Festival, or you can see yourself in the chaff. "
Idiom usage
It refers to diligent study
study by the light of burning rice bran