blame game       
noun [ C or S ]  informal uk/ˈbleɪm ˌɡeɪm/ us/ˈbleɪm ˌɡeɪm/
 相互推卸责任
a situation in which people try to blame each other for something bad that has happened
  The police and the mayor are playing the blame game over the mistaken shooting of a suspected terrorist. 警方和市长正在为误杀一名恐怖嫌疑人的事件相互推卸责任。