1
be a pervert
描述某人的属性。
He is a pervert who spies on people.
他是个偷窥别人的性变态者。
性变态者
先理解核心含义，再看它在真实句子里的用法。
性变态者
A person whose sexual behavior is considered abnormal or unacceptable.
He is a pervert who spies on people.
他是个偷窥别人的性变态者。
性行为不被接受的人。
A person whose sexual habits are not considered acceptable.
性变态者
a person whose behavior deviates from what is acceptable especially in sexual behavior
The man was arrested for behaving like a pervert in the park.
那名男子因在公园里像性变态者一样行为而被捕。
No one wants to be labeled a pervert by their neighbors.
没有人愿意被邻居称为性变态者。
He was mistakenly called a pervert just because he wore weird clothes.
他仅仅因为穿着奇怪就被误称为性变态者。
描述某人的属性。
He is a pervert who spies on people.
他是个偷窥别人的性变态者。
用于指责或辱骂。
She called him a pervert after he made a rude comment.
他发表粗鲁评论后，她骂他是变态。
指行为举止。
Don't act like a pervert in public.
别在公共场合表现得像个变态。
修饰名词前。
The police have a file on that known pervert.
警察有那个臭名昭著的变态者的档案。
Not this
He is pervert.
Use this
He is a pervert.
中文学习者常遗漏冠词，'pervert' 是可数名词单数，前面需要不定冠词 'a' 或 'an'，这里应用 'a'。
Not this
He has pervert behavior.
Use this
He has perverted behavior.
中文学习者易将名词 'pervert' 误用作形容词，正确形式应为形容词 'perverted'，意为‘变态的’。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
性变态者
The police arrested a sexual pervert near the park.
警方在公园附近逮捕了一名性变态者。
下流的变态
She shouted, 'Get away, you dirty pervert!'
她喊道：“滚开，你这个下流的变态！”
表现得像个变态
Stop acting like a pervert and behave yourself.
别表现得像个变态，规矩点。
疑似变态者
Neighbors described the suspected pervert as quiet and friendly.
邻居们形容这名疑似变态者安静又友好。
他是个变态！
In the 1998 comedy There's Something About Mary, the police mistakenly call the hero a pervert and arrest him.
在1998年的喜剧《我为玛丽狂》中，警方误称主角为变态并逮捕了他。
Use pervert naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 pervert 拆成 per + vert，联想“完全转离（正常）的人”，即性变态者。
语域：informal 常见场景：日常口语、贬损或侮辱语境 pervert 作名词时，多用于口语且带强烈贬义，通常指性行为被认为不正常或令人厌恶的人。在正式或需要保持客观的场合，更宜使用 sexual offender 或 person with atypical sexual behavior 等中性说法，以免冒犯。
指行为反常或性变态的人
Dictionary facts from ECDICT, WIKTIONARY.