







合从连衡 is a Chinese idiom (chengyu) meaning “to form an alliance”. Uniting forces to resist a common adversary or challenge. Literally, “vertical alliance and horizontal alliance”.
During the Warring States period, frequent wars among the feudal states led to chaos and instability, preventing people from living in peace.
The powerful State of Qin cast a covetous eye on the six states of Qi, Chu, Yan, Han, Zhao, and Wei.
To prevent Qin's annexation, Su Qin traveled to the six states, persuading them to unite against Qin's aggression. Meanwhile, Zhang Yi advocated for the six states to submit to Qin.

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Open the tool →合从连衡 (hé zòng lián héng) is a Chinese idiom (chengyu) meaning “to form an alliance”.
合从连衡 is pronounced hé zòng lián héng in Mandarin Chinese.
Literally, 合从连衡 means “vertical alliance and horizontal alliance”. It is used to mean “to form an alliance”.
合从连衡 comes from a classical Chinese story dating back to ancient China. The full story is on this page.
从:通“纵”;衡:通“横”。指联合抗敌。