A serious hidden danger or deep-seated problem in a vital position; a grave internal malady.
这座老旧的桥梁已成为城市交通的腹心之疾，亟待解决。
This aging bridge has become a critical weakness in the city's transportation network, requiring urgent attention.
Era:
Ancient
Frequency:
Synonym:
Story:
In the 27th year of King Zhao of Chu's reign, King Zhao observed strange celestial phenomena and consulted the Grand Historian of Chengzhou.
The Grand Historian advised him to perform sacrifices to remove the 'disease in his vitals' (腹心之疾). King Zhao disbelieved him.
He then stationed his troops at Chengfu, preparing to assist Chen, which was under attack by Wu. King Zhao suddenly fell ill, and his condition worsened day by day.
He still refused to perform the sacrifices until he eventually passed away from the illness.
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