Word · CEFR A2 · Frequency #2087
Fully loadedunknown
未知的；陌生的；从未见过的
not previously known or experienced
- 1.
being or having an unknown or unnamed source
来源不明的,未知的
- 2.
not famous or acclaimed
不出名的或不为人所称道的
- 3.
not known before
以前不知道的
不出名的；无名气的；来源不明的；出处未知的；来源不明的,未知的；不出名的或不为人所称道的；以前不知道的
In use
The cause of the fire remains unknown.
I got a call from an unknown number.
The writer's identity is still unknown to the public.
be unknown to {someone}
The cause of the fire remains unknown to investigators.
火灾原因对调查人员而言仍未知。
remain unknown
此结构表示状态持续。
His whereabouts remain unknown.
他的下落仍然未知。
an unknown {noun}
用作定语修饰名词。
The result depends on an unknown factor.
结果取决于一个未知因素。
Connections
Collocations
- unknown to
- 不为…所知的
- The details of the plan were unknown to the public.该计划的细节不为公众所知。
- unknown quantity
- 未知数；难以预测的人或事
- The new player is an unknown quantity on the team.这名新球员是队里的一个未知数。
- relatively unknown
- 相对不知名的
- He was a relatively unknown artist until his exhibition became a success.直到他的展览取得成功，他都是一个相对不知名的艺术家。
- unknown cause
- 未知原因
- The fire was declared to be from an unknown cause.火灾被宣布为原因不明。
- unknown territory
- 未知领域
- The company is moving into unknown territory with its new product.这家公司正带着新产品进入未知领域。
Idioms & figurative uses
Learner notes
Memory Tip
“un-”表示“不”，“known”是“已知”，合起来就是“未知”。想象一个陌生人，你对他“一无所知”（unknown）。
Context & Register
该词为中性，常见于各种正式或非正式场合，表示未知或不被知晓的状态。
Grammar Note
通常后接介词to表示‘不为某人或某物所知’
Pronunciation & Spelling
All listed words share the same stressed vowel sound /əʊn/ (UK) or /oʊn/ (US). Be cautious of words like 'down' or 'town' which are spelled similarly but sound different.
High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
Usage priority
Collins 词频等级为 3，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.