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be a charlatan
charlatan 既可指卖假药的庸医，也可泛指任何冒充内行的骗子。
That self-styled doctor turned out to be a charlatan.
那位自封的医生原来是个江湖骗子。
骗子；江湖骗子；招摇撞骗者
charlatans — plural of charlatan
先理解核心含义，再看它在真实句子里的用法。
骗子；江湖骗子；招摇撞骗者
a flamboyant deceiver; someone who attracts people with tricks or jokes
That self-styled doctor turned out to be a charlatan.
那位自封的医生原来是个江湖骗子。
恶意的骗子；为谋私利而欺骗的假人。
A malicious trickster; a fake person, especially one who deceives for personal profit.
招摇撞骗者；以花招或玩笑招揽顾客的人
a flamboyant deceiver; one who attracts customers with tricks or jokes
The man selling miracle cures was exposed as a charlatan.
那个卖神效药的人被揭穿是个江湖骗子。
She realized too late that her financial adviser was a charlatan who only wanted her money.
她太晚才意识到她的财务顾问是个只想骗她钱的骗子。
Real scientists know that this popular "expert" is actually a charlatan.
真正的科学家知道，这位受欢迎的“专家”其实是个招摇撞骗的人。
charlatan 既可指卖假药的庸医，也可泛指任何冒充内行的骗子。
That self-styled doctor turned out to be a charlatan.
那位自封的医生原来是个江湖骗子。
call + 宾语 + 名词可表示“称某人为……”。
The newspaper called him a charlatan who sold fake remedies.
报纸称他是贩卖假药的江湖骗子。
dismiss sb as... 意为“把某人视为……而不予理会”。
She dismissed the self-proclaimed expert as a charlatan.
她把那个自称专家的人斥为江湖骗子。
accuse sb of... 表示“指责/控告某人……”，后接名词或动名词。
They accused the advisor of being a charlatan.
他们指责那位顾问是个江湖骗子。
Not this
He is charlatan.
Use this
He is a charlatan.
charlatan 是可数名词，作表语指一个人时必须加不定冠词 a，写成 a charlatan。中文没有冠词，所以容易漏掉 a。
Not this
His advice is charlatan.
Use this
His advice is a charlatan's.
charlatan 是名词，不能像形容词一样直接作表语。要表达“骗子的建议”，需要用名词所有格 a charlatan's，即 his advice is a charlatan's。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
江湖郎中；庸医
The charlatan doctor prescribed the same tonic for every illness.
那个江湖医生对什么病都开同一种补药。
揭穿某人是骗子
The investigation exposed the self-proclaimed healer as a charlatan.
调查揭穿了那个自称神医的人其实是骗子。
政治骗子
Voters are tired of political charlatans who break every promise.
选民厌倦了那些不遵守任何承诺的政治骗子。
公开称某人为骗子
The rival campaign branded him a charlatan in its ads.
对手的竞选活动在广告中称他为骗子。
不过是个骗子
They soon realized the guru was nothing but a charlatan.
他们很快意识到那个大师不过是个骗子。
Use charlatans naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记法：读作‘沙尔拉坦’，想象一个穿花袍的江湖骗子念咒耍把戏骗钱——charlatan=江湖骗子。
语域：formal 常见场景：formal writing or speeches、describing people who fake expertise or qualifications 该词属于偏正式、书面化的用语，通常用于形容假装有专业知识或技能的人（如江湖医生、伪专家）。日常口语中较少使用，更常说 fraud 或 impostor。
这些词都不与 charlatan 构成严格押韵（charlatan 的重音在 /ˈʃɑr/，这些词的重音或元音不同）。其中 curtain、button、cotton、sultan 都有非重读尾音 /tən/；skeleton 的 /lətən/ 与 charlatan 的 /lətən/ 完全相同。Satan 拼写以 -atan 结尾，是形近词，但实际读 /ˈseɪtən/，不要按 charlatan 的拼读类推。
Dictionary facts from ECDICT, WIKTIONARY.