ˊㄩㄝˋㄊㄨㄥˊㄓㄡwúyuè‑tóngzhōu

吴越同舟
  1. 彼此仇視面臨危難相互救助比喻患難齊心協力共度難關 吳越同舟生死與共」、唯有彼此拋棄吳越同舟才能克服眼前難題」。

Wu and Yue in the same boat (idiom)​; fig. cooperation between natural rivals, to collaborate towards a common end, in the same boat together