míng zhī / qián chē zhī jiàn / què hái / chóng dǎo fù zhé / wèi miǎn / yǒu xiē / bù zhī Dīng Dǒng

明知前车之鉴，却还重蹈覆辙，未免有些不知丁董。

Knowing the warning from the past yet repeating the same mistake is rather heedless of history.