To study diligently despite extreme poverty, using unconventional means to find light. It describes someone who is assiduous and persistent in their studies under difficult conditions.
他从小家境贫寒，却囊萤照读，最终考上了理想的大学。
Though he came from a poor family, he studied diligently like someone bagging fireflies for light, and eventually got into his dream university.
Era:
Ancient
Frequency:
Synonym:
Story:
During the Jin Dynasty, Che Yin was diligent and fond of learning from a young age. However, his family was poor and could not afford lamp oil for him to study at night. He felt it was a great pity to waste the nighttime hours.
One summer evening, seeing fireflies flying everywhere outside, he caught dozens of them and put them into a white gauze bag. He then hung the bag above his books, using the faint light to read.
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