The act of killing someone.

杀死他人的行为。

youdao

Why do people get strange diseases nowadays? These diseases come from the act of killing.

现在人为什么生一些奇怪的病症？就是从杀生来的。

youdao

Human sacrifice is the act of killing a human being for the purposes of making an offering to a deity or other, normally supernatural, power.

活人祭是通过杀死活人为神灵或者其他超自然力量和权势提供祭品。

youdao

the act of actually pushing someone over onto the tracks and killing him, you are actually killing him yourself.

真的动手把人推到轨道上让他死的这种行为，就等于是你亲手杀了他。

耶鲁公开课 - 公正课程节选

When Larry Kramer founded ACT UP and accused Koch of killing most of his friends, the mayor wanted to meet with him, but he was dissuaded by his staff from doing so.

CNN: Koch a friend and force to the end

Zimmerman, who is Hispanic, told authorities the killing was an act of self-defense.

CNN: STORY HIGHLIGHTS

President Mwai Kibaki described Bin Laden's killing as an act of justice for those Kenyans who lost their lives and suffered injuries in al-Qaeda's first attack on US interests.

BBC: Bin Laden death reminds Kenya of bombing horrors