程門立雪 [ㄔㄥˊ ㄇㄣˊ ㄌㄧˋ ㄒㄩㄝˇ; cheng2 men2 li4 xue3] lit. the snow piles up at Cheng Yi's door (idiom) fig. deep reverence for one's master ◄ ►
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