murderer

例句：

1. 1.The murderer was caught by the police.
   那个凶手被警察抓住了。
2. 2. He was a notorious murderer who terrorized the town.
   他是个臭名昭著的杀人犯，给这个镇子带来了恐惧。
3. 3. Murderers are often sentenced to death for their crimes.
   杀人犯通常会因为其罪行而被判处死刑。