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故知
gùzhī
1. a close friend over many years

Character Breakdown

故
gù
reason, cause; happening, instance
HSK 3 9 丶
知
zhī
to know, to perceive, to comprehend
HSK 2 8 丶

Compound Words (2)

温故知新
wēngùzhīxīn
to review the old and know the new (idiom, from the Analects)
他乡遇故知
tāxiāngyùgùzhī
meeting an old friend in a foreign place (idiom)

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