後車之鑒 [后车－鉴]

Jyutping hau6 ce1 zi1 gaam3
Pinyin hòu chē zhī jiàn

Definitions (CC-CEDICT)
  1. lit. warning to the following cart (idiom); don't follow the track of an overturned cart
  2. fig. draw lesson from the failure of one's predecessor
  3. learn from past mistake
  4. once bitten twice shy