萤雪 yíngxuě diligent study Origin Definitions Defs Strokes Stroke Words Sentences Sents 萤 螢 yíng noun firefly (bound form) firefly; glow-worm; usually refers to the 萤火虫 yínghuǒchóng雪 xuě noun snow snow; frozen water vapor that falls to the ground as white flakes