吴越同舟 (Wú Yuè tóng zhōu): Wu and Yue in the same boat ; fig. cooperation between natural rivals; to collaborate towards a common end; in the same boat together
吴越同舟
Wu and Yue in the same boat ; fig. cooperation between natural rivals; to collaborate towards a common end; in the same boat together
Wu and Yue were bitter enemies, but caught in one boat in a storm they rowed together. For rivals cooperating because the alternative is worse for both of them.
The same saying in Japanese: 呉越同舟