英语语法分析

Medical attention seems to have actually killed President Garfield, who succumbed to a fatal infection introduced by his doctors' unsterile treatment techniques after he was shot by an assassin.

实际上，加菲尔德总统似乎是死于医疗护理，他在被刺客枪击后死于由医生的非无菌治疗技术引起的致命感染。

The assassin said he had acted alone.

暗杀者声称他是单独作案。

《牛津词典》

An assassin lurked nearby.

一个杀手在附近潜伏着。