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During the Spring and Autumn period, Duke Jing of Qi fell seriously ill. He appointed Guo Huizi and Gao Zhaoli to assist Prince Tu in becoming the next ruler. After Duke Jing's death, the other princes fled to various states such as Wei and Lu.
Chen Qi, a powerful minister in Qi, harbored ambitions to eliminate Guo Huizi and Gao Zhaoli. He strategically sowed discord between them and other high-ranking officials, arguing that if these two were not removed, everyone would suffer deep and unchangeable regret, implying it would be too late to repent. This manipulation ultimately triggered a fierce conflict.

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Open the tool →后悔不及 (hòu huǐ bù jí) is a Chinese idiom (chengyu) meaning “it's too late to feel regret”.
后悔不及 is pronounced hòu huǐ bù jí in Mandarin Chinese.
Literally, 后悔不及 means “Regret too late”. It is used to mean “it's too late to feel regret”.
后悔不及 comes from a classical Chinese story dating back to ancient China. The full story is on this page.
后悔已经来不及了。