[xuě chuāng yíng huǒ]   

雪    窗    萤    火    比喻勤学苦读。同“雪窗萤几”。

比喻勤学苦读。同“雪窗萤几”

Study by the light of reflected snow or glow-worms

雪碗冰瓯    雪泥鸿迹    雪胎梅骨    雪泥鸿爪    雪窗萤几