To study diligently despite poverty or difficult circumstances, often by ingenious means (referring to using fireflies and snow for light).
他虽然出身贫寒，却像古人囊萤照雪一样，刻苦读书，最终考上了理想的大学。
Despite his humble origins, he studied diligently, much like the ancients who 'bagged fireflies and illuminated with snow,' and eventually gained admission to his dream university.
Era:
Ancient
Frequency:
Story:
During the Jin Dynasty, Che Yin was fond of learning from a young age.
However, his family was poor and couldn't afford lamp oil for him to read at night. He felt it was a great pity to waste the nighttime hours.
One summer night, he saw fireflies dancing everywhere outdoors. He caught dozens of them, put them in a white gauze bag, and hung it above his books, using the faint light to read.
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