前車之覆，後車之鑒

qiánchēzhīfù,hòuchēzhījiàn

the overturned cart ahead is a warning to the ones behind

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qian2 che1 zhi1 fu4 , hou4 che1 zhi1 jian4

lit. the cart in front overturns, a warning to the following cart (idiom); fig. draw lesson from the failure of one's predecessor, learn from past mistake, once bitten twice shy

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前車之覆，後車之鑒|前车之覆，后车之鉴 [qián chē zhī fù , hòu chē zhī jiàn] ► lit. the cart in front overturns, a warning to the following cart (idiom); fig. draw lesson from the failure of one's predecessor ► learn from past mistake ► once bitten twice shy