前车之覆，后车之鉴qian che zhi fu,hou che zhi jian

the overturned cart ahead is a warning to the ones behind

前车之覆，后车之鉴

the overturned cart ahead is warning to the cart behind—one should take warning from the mistakes of those before

前车之覆，后车之鉴qián chē zhī fù,hòu chē zhī jiàn

见“前车之鉴”。

前车之覆，后车之鉴qiánchēzhīfù,hòuchēzhījiàn

见“前车覆，后车戒”。