前车之鉴 (qián chē zhī jiàn)

lit. a warning taken from the overturned cart ahead (idiom); fig. less

Character breakdown

Usage

我们要以前车之鉴为教训,避免重蹈覆辙。

We should take lessons from past mistakes and avoid repeating them.

Wǒmen yào yǐ qián chē zhī jiàn wéi jiàoxùn, bìmiǎn chóngdǎo fùzhé.