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untold + noun
作定语，强调数量或程度大得无法计算，常与 damage、suffering、wealth 等搭配。
The war brought untold suffering to millions of people.
这场战争给数百万人带来了数不清的苦难。
数不清的；无数的；不可计量的
先理解核心含义，再看它在真实句子里的用法。
数不清的；无数的；不可计量的
too many or too much to be counted or measured; of an incalculable amount
The war brought untold suffering to millions of people.
这场战争给数百万人带来了数不清的苦难。
未说出的；未透露的；秘密的。
Not told; not related; not revealed; secret.
未计数的；数不清的。
Not numbered or counted.
无法计数、测量或描述的；极其巨大的；不可计量的；难以形容的。
Not able to be counted, measured, told, expressed in words, or described; extremely large in scale, number, quantity, suffering, damage, etc.; uncountable, unmeasurable, immeasurable, indescribable, inexpressible.
The flood caused untold damage to the small town.
洪水给这个小镇造成了数不清的损失。
She has spent untold hours practicing the piano.
她花了无数个小时练习钢琴。
The internet has brought untold benefits to people around the world.
互联网给世界各地的人们带来了数不清的好处。
作定语，强调数量或程度大得无法计算，常与 damage、suffering、wealth 等搭配。
The war brought untold suffering to millions of people.
这场战争给数百万人带来了数不清的苦难。
作表语，表示信息或故事没有被讲述、尚未公开。
The full details of the incident remain untold.
这起事件的完整细节仍未被讲述。
动词 leave 后接宾语和补足语 untold，表示让某事保持未说出的状态。
He chose to leave the painful memories untold.
他选择不讲述那些痛苦的记忆。
Not this
He was untold about the meeting.
Use this
He wasn't told about the meeting.
untold 是形容词，只修饰“未讲出的故事/秘密”等事物，不用于表示“某人未被告知”。表示某人没被告知，要用被动结构 wasn't told。
Not this
There are untold of stars in the sky.
Use this
There are untold stars in the sky.
untold 表示“无数的”时是前置定语形容词，直接修饰名词，不带 of。受汉语“无数的”影响而加 of 是错误。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
未被讲述的故事；不为人知的故事
The documentary tells the untold story of the rescue mission.
这部纪录片讲述了这次救援任务不为人知的故事。
难以估量的破坏
The hurricane caused untold damage to coastal towns.
飓风给沿海城镇造成了难以估量的破坏。
难以估量的苦难
The war brought untold suffering to millions of civilians.
战争给数百万平民带来了难以估量的苦难。
数不清的财富；巨额财富
The discovery of gold brought untold wealth to the small town.
金矿的发现给这个小镇带来了数不清的财富。
无数的；数不清的
The drought affected untold numbers of people.
干旱影响了无数人。
巨大的潜力；难以估量的潜能
She has untold potential as a singer.
她作为歌手有巨大的潜力。
未被讲述的故事；不为人知的真相
The film focuses on the untold story of the factory workers.
这部电影聚焦于工厂工人不为人知的故事。
难以言说的苦难；巨大的痛苦
The flood brought untold misery to thousands of families.
洪水给成千上万的家庭带来了难以言说的苦难。
数不清的财富；巨富
The oil fields produced untold wealth for the small country.
油田为这个小国带来了数不清的财富。
世上最大的痛苦，莫过于心中藏着一个未曾讲出的故事。
A famous line by Maya Angelou from her memoir 'I Know Why the Caged Bird Sings'; often quoted to describe the emotional burden of keeping one's experiences secret.
玛雅·安吉洛在自传《我知道笼中鸟为何歌唱》中的名言，常被引用来说明将亲身经历深藏心底所承受的情感负担。
Use untold naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
拆成 un-（未）+ told（说出）：未说出的秘密，也可指多得“说不清”的无数数量。
语域：formal 常见场景：新闻报道与评论、正式演讲、文学作品 在此义项表示‘数量极大、难以计数’时，untold 多用于正式或书面语，常见于新闻报道、演讲和文学作品中，修饰 suffering、wealth、damage 等抽象名词；日常口语较少用，通常更常说 countless。
These words all rhyme with the stressed ending /-əuld/ in "untold" (/ˈʌnˈtəuld/): told, bold, cold, gold, old, sold. Note: do not confuse the first syllable /ʌn/ with the /ən/ in "until" /ənˈtɪl/ or with the /aɪ/ sound in "untied" /ʌnˈtaɪd/; those words do not rhyme.
Dictionary facts from ECDICT, WIKTIONARY.