1
be obsessive about sth
主语为人时表示“对……过于执着/痴迷”，介词用 about。
He is obsessive about keeping his desk tidy.
他对保持书桌整洁特别执着。
痴迷者；强迫症患者
先理解核心含义，再看它在真实句子里的用法。
痴迷者；强迫症患者
a person who has obsessions
He is obsessive about keeping his desk tidy.
他对保持书桌整洁特别执着。
有执念的人
A person who is obsessed, who has an obsession.
有执念的人
a person who has obsessions
My uncle is a music obsessive and can name any song after the first few notes.
我叔叔是个音乐迷，只听前几个音符就能说出歌名。
The library attracts true obsessives who will read the same page for hours.
图书馆吸引着真正的痴迷者，他们会在同一页书上读上几个小时。
He is an obsessive who checks his email at least twenty times a day.
他是个痴迷者，每天至少查看二十次电子邮件。
主语为人时表示“对……过于执着/痴迷”，介词用 about。
He is obsessive about keeping his desk tidy.
他对保持书桌整洁特别执着。
作定语修饰名词，常搭配 behavior、need、interest 等。
Her obsessive need for control made teamwork difficult.
她对控制的执念让团队合作变得困难。
作名词时指“有强迫症的人/痴迷者”，复数形式为 obsessives。
He's a bit of an obsessive when it comes to fitness.
在健身方面他有点像强迫症患者。
Not this
She is obsessive with her appearance.
Use this
She is obsessive about her appearance.
形容词 obsessive 表示“对……着迷/念念不忘”时，固定搭配介词 about，而不是 with；错误来自把中文“对”直接译成 with。
Not this
There are many obsessive in the group.
Use this
There are many obsessives in the group.
obsessive 作名词表示“有强迫症/执念的人”时是可数名词，复数形式是 obsessives；不能用形容词原形 obsessive 来指多个这样的人。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
强迫症；强迫性障碍
He was diagnosed with obsessive-compulsive disorder.
他被诊断患有强迫症。
强迫性思维；挥之不去的念头
Obsessive thoughts kept him awake at night.
强迫性思维让他夜不能寐。
对……过于执着；对……着迷
She is obsessive about keeping her room clean.
她对保持房间整洁过于执着。
对细节的过度专注
Her obsessive attention to detail made her an excellent editor.
她对细节的过度专注使她成为一名出色的编辑。
健身狂人
He's a fitness obsessive who trains twice a day.
他是个健身狂人，每天训练两次。
Use obsessive naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想想 OBSESSIVE 以 OBSESS 为核心，像被念头缠住不放，既指着迷的状态，也指痴迷的人。
语域：mixed 常见场景：informal conversation、clinical or psychological writing 作名词时指有强迫倾向或对某事极度痴迷的人；多用于日常口语和心理学语境，语气通常中性，有时略带调侃；正式程度随场合变化，故标为 mixed。
以上单词均与 obsessive 押韵（重读部分 /ɛsɪv/ 相同）。注意 obsess /əbˈsɛs/ 和 obsession /əbˈsɛʃən/ 是形近词，但发音不同，不押韵。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.