náng​yíng​yìng​xuě

to study by fireflies and snow

Senses

囊萤映雪/ 囊螢映雪 náng​yíng​yìng​xuě to study by fireflies and snow

to study diligently under extremely poor conditions, based on the legends of one student collecting fireflies in a bag for light and another reading by the reflection of moonlight on snow

References

synonym 聚萤映雪/聚螢映雪 囊萤映雪/囊螢映雪