1
be attacked by an assailant
被动语态中常用 by an assailant 引出攻击者。
She was attacked by an assailant in the parking lot.
她在停车场遭到一名行凶者袭击。
攻击者；行凶者
先理解核心含义，再看它在真实句子里的用法。
攻击者；行凶者
a person who attacks someone
She was attacked by an assailant in the parking lot.
她在停车场遭到一名行凶者袭击。
暴力或犯罪地攻击他人的人。
Someone who attacks or assails another violently, or criminally.
敌意的批评者或对手。
A hostile critic or opponent.
The assailant fled on foot after the robbery.
袭击者在抢劫后徒步逃走了。
The security guard tackled the assailant to the ground.
保安把袭击者摔倒在地。
The police are searching for the assailant in the nearby woods.
警方正在附近的树林里搜索袭击者。
被动语态中常用 by an assailant 引出攻击者。
She was attacked by an assailant in the parking lot.
她在停车场遭到一名行凶者袭击。
用物主代词（如 her, my）或名词所有格表示“袭击某人的人”。
The police are still looking for her assailant.
警方仍在寻找袭击她的人。
在叙述事件时，常用 the assailant 作主语，后接描述其行为的过去时动词。
The assailant fled before anyone could call the police.
行凶者在任何人报警前就逃走了。
Not this
The police caught three assailant near the bank.
Use this
The police caught three assailants near the bank.
assailant 是可数名词，复数形式为 assailants。汉语没有复数标记，学习者容易漏掉 -s；数词 three 后必须用复数。
Not this
The masked man assailant the guard with a knife.
Use this
The masked man assailed the guard with a knife.
assailant 是名词，意为“攻击者”，不是动词；动词是 assail（攻击）。句中需要谓语动词，不能用名词作谓语。
Not this
The assailant man was quickly subdued by the police.
Use this
The assailant was quickly subdued by the police.
assailant 本身就是名词，指“攻击者”，不能当作形容词来修饰 man。去掉 man 语义不变，符合名词用法。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
身份不明的袭击者
Police are searching for an unidentified assailant.
警方正在搜寻一名身份不明的袭击者。
涉嫌行凶者；被指控的袭击者
The alleged assailant was released because of a lack of evidence.
因证据不足，涉嫌行凶者被释放。
蒙面袭击者
A masked assailant attacked the guard outside the bank.
一名蒙面袭击者在银行外袭击了保安。
击退袭击者
She fought off her assailant and ran to safety.
她击退了袭击者，跑到了安全的地方。
描述袭击者的特征
The witness was able to describe the assailant in detail.
目击者能够详细描述袭击者的特征。
袭击者逃离现场
The assailant fled the scene before police arrived.
袭击者在警察到达前逃离了现场。
Use assailant naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 assailant 拆成 assail（攻击）+ ant（表人），意为“攻击者”。联想：一个人正在“攻击”（assail）你，他就是 assailant——行凶者。
语域：formal 常见场景：新闻报道、警方通报、法律文书 assailant 多用于正式场合，如新闻报道、警方或法律描述中，表示袭击者或行凶者；日常口语中更常用 attacker。
发音匹配：assailant /əˈseɪlənt/ 与 inhalant /ɪnˈheɪlənt/ 押韵。注意拼写相似的 vigilant、brilliant、valiant、compliant 读音不同：它们的词尾分别读作 /ɪlənt/、/jənt/、/jənt/、/aɪənt/。
Dictionary facts from ECDICT, WIKTIONARY.