







批亢捣虚 is a Chinese idiom (chengyu) meaning “to attack the enemy's vital points or weaknesses when they are unprepared; to hit a soft spot or weak point strategically”. Literally, “Strike the vital point, attack the void”.
During the Warring States period, Pang Juan, a disciple of the military strategist Guiguzi from the State of Wei, became a general for King Hui of Wei before completing his studies. He tricked his fellow disciple Sun Bin into coming to Daliang, the capital of Wei, where he brutally severed Sun Bin's legs.
After returning to Qi, Sun Bin became the national preceptor for King Wei of Qi. He twice employed the strategy of "批亢捣虚" (striking at the enemy's vital points and exploiting their vulnerabilities), leading to the complete defeat of the Wei army and Pang Juan's suicide, thereby successfully rescuing the states of Zhao and Han.

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Open the tool →批亢捣虚 (pī kàng dǎo xū) is a Chinese idiom (chengyu) meaning “to attack the enemy's vital points or weaknesses when they are unprepared; to hit a soft spot or weak point strategically”.
批亢捣虚 is pronounced pī kàng dǎo xū in Mandarin Chinese.
Literally, 批亢捣虚 means “Strike the vital point, attack the void”. It is used to mean “to attack the enemy's vital points or weaknesses when they are unprepared; to hit a soft spot or weak point strategically”.
批亢捣虚 comes from a classical Chinese story dating back to ancient China. The full story is on this page.
批:用手击;亢:咽喉,比喻要害;捣:攻击;虚:空虚。比喻抓住敌人的要害乘虚而入。