动 （失去生命） die；形 to the death，extremely，to death，implacable，end up ；

[例句] 鲍勃死于由他的生活方式引起的心脏病突发。 Bob died of a heart attack, brought on by his lifestyle.

[例句] 他最好的朋友在极其可疑的情况下被警察打死了。 His best friend was killed by police under extremely questionable circumstances.