1
the perversity of sth
perversity 表示“乖僻/反常”时通常为不可数名词，与定冠词 the 连用，后接 of 短语说明对象。
The perversity of his behavior was difficult to understand.
他行为的反常令人难以理解。
乖僻；倔强；任性；反常
perversities — plural of perversity
先理解核心含义，再看它在真实句子里的用法。
乖僻；倔强；任性；反常
the quality or behavior of deliberately deviating from what is good or reasonable; perverse conduct
The perversity of his behavior was difficult to understand.
他行为的反常令人难以理解。
乖僻的性质
The quality of being perverse.
反常的事物
Something which is perverse.
Her perversity made her refuse every reasonable offer.
她的任性使她拒绝一切合理的提议。
There is a strange perversity in his decision to take the slowest route.
他决定走最慢的路线，这有些反常的执拗。
The perversities of the old system frustrated everyone who tried to use it.
旧制度中的种种反常之处让每个想使用它的人都感到沮丧。
perversity 表示“乖僻/反常”时通常为不可数名词，与定冠词 the 连用，后接 of 短语说明对象。
The perversity of his behavior was difficult to understand.
他行为的反常令人难以理解。
out of perversity 作原因状语，意为“出于乖僻/故意作对”，常与动词搭配，可置于句首或句末。
He left the party early out of perversity.
他出于乖僻提前离开了派对。
Not this
He is a perversity person.
Use this
He is a perverse person.
perversity 是名词，不能直接放在 person 前作定语；应改用形容词 perverse，表示“乖僻的、任性的”。这是词性混淆错误。
Not this
They were guilty of the perversity of the truth.
Use this
They were guilty of the perversion of the truth.
perversity 意为“乖僻、倔强、任性”，不表示“歪曲、曲解”；表达“歪曲事实”应用 perversion，构成固定搭配 perversion of the truth。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
纯粹的乖僻；十足的任性
He refused to apologize out of sheer perversity.
他纯粹出于倔强拒绝道歉。
乖僻行为；反常举动
Breaking the vase seemed an act of perversity.
打碎花瓶似乎是一种乖僻行为。
人性的乖张
The novel explores the perversity of human nature.
这部小说探讨了人性的乖张。
纯粹出于任性
She left the lights on out of pure perversity.
她纯粹出于任性，让灯一直亮着。
命运的捉弄
By a perversity of fate, the flood destroyed the rescue center.
命运捉弄人，洪水摧毁了救援中心。
十足的任性
She broke the vase out of sheer perversity.
她打碎花瓶，纯粹是任性。
无生命物体的恶作剧
The perversity of inanimate objects strikes again: the printer jammed only when I was in a hurry.
无生命物体的恶作剧又来了：我一赶时间，打印机就卡纸。
宇宙的别扭总是趋向最大。
A humorous adage, sometimes called Finagle's Law, that says the universe tends to work against us; often invoked in engineering and tech culture.
一条幽默的谚语，有时称为“菲纳格尔定律”，指宇宙似乎总在跟我们作对；在工程和科技文化中常被引用。
Use perversities naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把perversity拆成per+verse+ity：verse是诗，多出的per像“披”——披着诗的外衣偏要唱反调，就是乖僻任性。
语域：neutral 常见场景：formal writing、everyday written English、discussing stubborn behavior perversity 在表示「故意违背常理、固执任性」时属于中性偏书面词，通常多用于书面语和正式讨论，比较常出现在文学批评、议论文或人物描写中；日常口语中也可用，但更常见于书面表达。
复数形式 perversities 常指具体的乖僻或反常行为；表示抽象性质时通常不可数。
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY.