carnage

Compared meaning: cruel killing of many people (noun).

比较义项：大规模残忍地杀害人（尤指手无寸铁者）（名词）。

• massacre

  Emphasizes the deliberate, cruel killing of people too weak or unable to defend themselves, often a specific historical or political atrocity; used as both noun and verb.

  强调蓄意、残忍地杀害没有能力自卫的人，常指某一具体的历史或政治暴行；既可作名词也可作动词。

  Soldiers massacred every villager who could not escape in time.

  士兵们残忍地杀害了每一个来不及逃跑的村民。

• slaughter

  Emphasizes killing on a large, often indiscriminate scale, evoking mindless brutality or wasted life (the same word is used for butchering animals); used as both noun and verb.

  强调大规模、往往不分对象地杀戮，带有盲目残暴或生命被无谓浪费的意味（同一个词也用于屠宰动物）；既可作名词也可作动词。

  The invading army slaughtered thousands of retreating soldiers without mercy.

  入侵的军队毫不留情地屠杀了数千名正在撤退的士兵。

• carnage 本词

  Describes the bloody scene or aftermath left by mass killing or destruction, not the act itself; usually uncountable and has no verb form.

  描述大规模杀戮或破坏后留下的血腥场面或残迹，而非杀戮行为本身；通常用作不可数名词，没有动词形式。

  The explosion left carnage across the marketplace, with bodies everywhere.

  爆炸在集市上留下了满目血腥的惨状，尸体到处都是。

Massacre, slaughter, and carnage all describe large-scale, bloody killing. Massacre stresses deliberately killing helpless people. Slaughter stresses killing on a huge, indiscriminate scale. Carnage describes the bloody scene left after killing. Slaughter can also mean killing animals for meat; not compared here.

这三个词都指大规模的血腥杀戮，语气相近但侧重不同：massacre 强调蓄意残害手无寸铁者，slaughter 强调不分对象的大规模屠戮，carnage 侧重杀戮后满目疮痍的场面。这里不比较 slaughter 表示屠宰牲畜（如牛羊）的用法。