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undisclosed + noun
作定语时，常修饰金额、地点、姓名等名词，强调有意不公开。
The company paid an undisclosed sum to settle the lawsuit.
该公司支付了一笔未公开的金额以了结诉讼。
未透露的；未公开的；保密的
先理解核心含义，再看它在真实句子里的用法。
未透露的；未公开的；保密的
not made known; not disclosed
The company paid an undisclosed sum to settle the lawsuit.
该公司支付了一笔未公开的金额以了结诉讼。
未披露的；未公开的。
Not disclosed.
The company settled the lawsuit for an undisclosed amount.
该公司以一笔未公开的金额和解了诉讼。
She received the award at an undisclosed location.
她在未公开的地点领取了奖项。
The report was based on information from an undisclosed source.
这份报告基于一个未透露来源的信息。
作定语时，常修饰金额、地点、姓名等名词，强调有意不公开。
The company paid an undisclosed sum to settle the lawsuit.
该公司支付了一笔未公开的金额以了结诉讼。
作表语时常用 remain 连用，表示一直保持未公开的状态。
The exact location of the talks remains undisclosed.
会谈的确切地点仍未公开。
keep 后接宾语再加 undisclosed，表示使某事保持不公开；如需说明对谁保密，可在句末用 to sb。
The board kept the details undisclosed for months.
董事会数月来一直未公开这些细节。
Not this
The company undisclosed the details of the deal.
Use this
The company did not disclose the details of the deal.
undisclosed 是形容词，不能作谓语动词；表达“未披露某事”时要用否定结构 did not disclose。
Not this
Scientists found an undisclosed island in the Pacific.
Use this
Scientists found an undiscovered island in the Pacific.
undisclosed 指信息“未公开的/保密的”，不指“未被发现的”；描述尚未被发现的地方需用 undiscovered。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
未公开的地点
The meeting was held at an undisclosed location.
会议在一个未公开的地点举行。
未披露的金额
The company paid an undisclosed amount to settle the lawsuit.
该公司支付了一笔未披露的金额以了结诉讼。
未透露姓名的买家
The painting was sold to an undisclosed buyer at auction.
这幅画在拍卖会上卖给了一位未透露姓名的买家。
未公开的条款
The two companies reached an agreement on undisclosed terms.
两家公司按未公开的条款达成了协议。
未透露的原因
The official resigned for undisclosed reasons.
该官员因未透露的原因辞职。
在不公开的地点
The president met the foreign leader at an undisclosed location.
总统在一个不公开的地点会见了外国领导人。
一笔未披露数额的款项
The company sold its subsidiary for an undisclosed sum.
该公司以一笔未披露数额的款项出售了子公司。
保持不公开
The names of the donors remain undisclosed.
捐赠者的姓名仍然不公开。
我想满足你心中那些未曾言明的渴望。
This lyric is from Muse's 2009 song 'Undisclosed Desires,' which is about unspoken, undisclosed feelings.
这句歌词出自缪斯乐队2009年的歌曲《Undisclosed Desires》，讲述的是未曾言说、未予公开的情感。
Use undisclosed naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
un-“不” + disclosed“公开的”→ 从未公开；想象文件上的“机密”印章盖住细节，始终未透露。
语域：formal 常见场景：legal or financial documents、official announcements、news reporting undisclosed 一般见于正式或书面语境，比较常见于法律、财务、新闻报道等场合，表示信息未被公开或透露。日常口语中更常说 secret 或 private。
与 undisclosed 押韵的词：closed、disclosed、enclosed、exposed、unclosed，均以 /əʊzd/ 音结尾。注意：undisguised 拼写与 undisclosed 相似，但读作 /ˌʌndɪsˈɡaɪzd/，元音为 /aɪ/，不押韵。
Dictionary facts from ECDICT, WIKTIONARY.