前车之覆， 后车之鉴前车之覆， 后车之鉴[qián chē zhī fù hòu chē zhī jiàn]1.■make the overturning of the chariot in front a warning for the chariot behind; learn caution through an unpleasant experience; The wrecked coach in front should be a warning.; The overturned cart in front serves as a warning to the carts behind.; One should take warning from another's mistake.; It is well to profit by the folly of others.; Overturned cart in front is a warning for those behind.