ㄊㄨㄥˊtóngㄍㄨㄟguīˊㄐㄧㄣˋjìn

  1. 一同毀滅死亡崇禎金瓶梅·第一》:世人營營急急巴巴不出七情六慾關頭酒色財氣圈子到頭來同歸於盡著甚要緊!」通俗常言疏證··同歸於盡》:倘有防備不周勢必同歸於盡。」

to die in such a way that sb (or sth)​ else also perishes, to take sb down with oneself, to end in mutual destruction
périr ensemble, courir au même désastre
gemeinsam ruiniert sein