stone-dead       
adjective [ after verb ] uk/ˌstəʊnˈded/ us/ˌstoʊnˈded/
 死了的
dead
  By the time the paramedics got to him, he was stone-dead. 当急救人员赶到他身边时,他已经死了。 
 Idiom   
kill something stone-deadidiom  完全扼杀;彻底终止
to cause something to be completely unsuccessful or to stop completely
  One bad review can kill a film stone-dead. 一篇糟糕的影评可以彻底扼杀一部电影。