1
decapitate sb
decapitate 是及物动词，宾语直接跟在后面，中间不加介词。
The executioner decapitated the prisoner with a single stroke.
刽子手只一刀就把那名囚犯斩首了。
斩首；杀头
decapitates — third person singular of decapitate
先理解核心含义，再看它在真实句子里的用法。
斩首；杀头
cut the head off (someone)
The executioner decapitated the prisoner with a single stroke.
刽子手只一刀就把那名囚犯斩首了。
砍掉......的头。
To remove the head of.
罢免或摧毁(政府等)的领导层或统治机构。
To oust or destroy the leadership or ruling body of (a government etc.).
decapitate
Base
原形
decapitates
3rd person
第三人称单数
decapitating
-ing
现在分词
decapitated
Past
过去式
decapitated
Past participle
过去分词
The executioner decapitates the prisoner with a sharp sword.
刽子手用锋利的剑将囚犯斩首。
The soldiers decapitated the enemy commander in battle.
士兵们在战斗中斩首了敌方指挥官。
The rebels have decapitated the tyrant.
叛军已经斩首了暴君。
规则动词：过去式和过去分词为 decapitated，现在分词为 decapitating。
In the legend, the hero uses a magical sword to decapitate the dragon in one blow.
在传说中，英雄用一把魔剑一剑斩下巨龙的头。
The storm decapitated the old pine tree, and the top crashed into the yard.
暴风雨把老松树的树冠刮掉了，树梢砸进了院子里。
The children are decapitating the snowman with a plastic shovel.
孩子们正用塑料铲把雪人的头铲掉。
decapitate 是及物动词，宾语直接跟在后面，中间不加介词。
The executioner decapitated the prisoner with a single stroke.
刽子手只一刀就把那名囚犯斩首了。
被动结构后可用 by 引出动作执行者。
The king was decapitated by the rebels.
国王被叛乱者斩首了。
with 短语表示工具或手段。
They decapitated him with a sword.
他们用剑将他斩首。
Not this
The prisoner decapitated.
Use this
The prisoner was decapitated.
decapitate 是及物动词，必须带宾语；当受害者作主语时要用被动语态 be decapitated，不能用主动形式表示“被斩首”。
Not this
He decapitated the prisoner's head.
Use this
He decapitated the prisoner.
decapitate 本身已含“砍掉……的头”之意，宾语应是被斩首的人，而不是 head；再说 head 会造成语义重复。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
被斩首
The king was decapitated after being captured.
国王被俘后被斩首。
斩首受害者
The executioner decapitated the victim in public.
刽子手当众斩首了受害者。
砍掉雕像的头
Vandals decapitated the statue in the square.
破坏分子砍掉了广场上雕像的头。
威胁斩首
The terrorists threatened to decapitate the captured soldiers.
恐怖分子威胁要斩首被俘的士兵。
Use decapitates naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把decapitate拆成de（去掉）加cap（像‘帽’盖在头顶），联想为‘去掉头上的盖’，即斩首。
语域：formal 常见场景：新闻报道、历史叙述、正式写作 decapitate 比较正式，多用于新闻报道、历史叙述或书面写作；日常口语中更常说 cut off someone's head。
这些词都含有 -tate，且这个片段均读 /teɪt/，与 decapitate 中的 -tate 读音一致；但 decapitate 的重音在 /ˈkæp/，而上述词的重音位置各异，因此它们并非完全押韵。注意：-ate 也有可能读 /ət/ 或 /ɪt/（如 climate /ˈklaɪmət/、private /ˈpraɪvɪt/），不要与 -tate /teɪt/ 混淆。
Dictionary facts from ECDICT, WIKTIONARY.