前車之覆，後車之鑒 [－车－－－后车－鉴]

Jyutping cin4 ce1 zi1 fuk1 , hau6 ce1 zi1 gaam3
Pinyin qián chē zhī fù , hòu chē zhī jiàn

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