suicide pact

剑桥词典

an agreement between two or more people to kill themselves together at the same time
（集体）自杀协定
The leader of the religious sect and 30 of his followers killed themselves in a suicide pact last year . 去年那个宗教教派的领袖同30名追随者签署了自杀协定，集体自杀了。 返回 suicide pact