1
be a rapist
这是表语结构，说明主语的身份。rapist 是可数名词，前面要加限定词。
The man she married turned out to be a rapist.
她嫁的那个男人原来是个强奸犯。
强奸犯；强奸者
先理解核心含义，再看它在真实句子里的用法。
强奸犯；强奸者
someone who forces another to have sexual intercourse
The man she married turned out to be a rapist.
她嫁的那个男人原来是个强奸犯。
犯有强奸罪的人；强奸他人的人
One who has committed rape; someone who raped another person.
强迫他人发生性行为的人
someone who forces another to have sexual intercourse
The police arrested the rapist after collecting enough evidence.
警方在收集到足够证据后逮捕了这名强奸犯。
She testified in court against her attacker, a convicted rapist.
她在法庭上作证指控她的攻击者，一名已被定罪的强奸犯。
The newspaper reported that the rapist had been sentenced to fifteen years in prison.
报纸报道说，该强奸犯被判处十五年监禁。
这是表语结构，说明主语的身份。rapist 是可数名词，前面要加限定词。
The man she married turned out to be a rapist.
她嫁的那个男人原来是个强奸犯。
用 who 引导的定语从句修饰 rapist，who 在从句中作主语。
The rapist who was arrested yesterday has attacked five women.
昨天被捕的那个强奸犯曾袭击过五名女性。
one of 后接复数名词，表示某一群体中的一个；谓语动词用单数。
One of the rapists was caught on camera.
其中一名强奸犯被摄像头拍了下来。
Not this
The police caught the raper.
Use this
The police caught the rapist.
英语中表示“强奸犯”的规范名词是 rapist，由 rape 派生时用 -ist 而不用 -er；raper 不是标准用词。
Not this
He is a rapper; he attacked that woman.
Use this
He is a rapist; he attacked that woman.
rapper 意为“说唱歌手”，与 rapist（强奸犯）拼写相近但意思完全不同；表达“强奸犯”时要用 rapist。
Not this
He is rapist.
Use this
He is a rapist.
rapist 是可数名词单数，前面必须用冠词 a；中文没有冠词系统，所以容易漏掉。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
已定罪的强奸犯
The convicted rapist was sentenced to fifteen years in prison.
这名已定罪的强奸犯被判处十五年监禁。
连环强奸犯
Police are searching for a serial rapist who has attacked several women in the area.
警方正在搜捕一名在该地区袭击了数名女性的连环强奸犯。
涉嫌强奸者
The alleged rapist has been denied bail.
这名涉嫌强奸者已被拒绝保释。
强奸犯袭击（行为）
A series of rapist attacks has made the neighborhood unsafe.
一系列强奸犯袭击事件使得这个社区不再安全。
所有男人都是强奸犯，仅此而已。
Spoken by the character Val in Marilyn French's 1977 novel 'The Women's Room', this line delivers a controversial feminist critique of patriarchy.
这句话出自玛丽莲·弗伦奇1977年小说《女性的空间》中角色瓦尔之口，是对父权制的争议性女权主义批判。
Use rapist naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想：rape（强奸）+ -ist（表人），即强奸犯；注意别和 rapper（说唱歌手）混淆。
语域：neutral 常见场景：新闻报道、法律语境、社会讨论 该词属于中性但严肃的用语，通常出现在新闻报道、法律文书或社会讨论中，日常对话中也可使用；不建议在轻松场合随意使用。
真正的押韵词是 papist /ˈpeɪpɪst/。harpist 和 therapist 同以 /pɪst/ 结尾，但重读元音不同；rapier 只是拼写相似，发音不同；rapid 中的 a 读 /æ/，不是 /eɪ/；dentist 仅共用 -ist 后缀。
Dictionary facts from ECDICT, WIKTIONARY.