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unspoken [noun]
unspoken 作定语时，常见搭配有 agreement、rule、assumption 等，表示“心照不宣的、默示的”。
They had an unspoken agreement to share the work.
他们有一个未言明的约定，共同分担工作。
未说出口的；未明说的；不言而喻的
先理解核心含义，再看它在真实句子里的用法。
未说出口的；未明说的；不言而喻的
unspoken
They had an unspoken agreement to share the work.
他们有一个未言明的约定，共同分担工作。
unspeak的过去分词
s expressed without speech；s not made explicit
There was an unspoken agreement between us to never mention the accident.
我们之间有一项不成文的约定，绝口不提那次事故。
Her unspoken fear filled the silent room.
她未说出口的恐惧充满了寂静的房间。
We shared an unspoken understanding that we would meet again.
我们心照不宣，都明白还会再见。
unspoken 作定语时，常见搭配有 agreement、rule、assumption 等，表示“心照不宣的、默示的”。
They had an unspoken agreement to share the work.
他们有一个未言明的约定，共同分担工作。
remain unspoken 表示“仍未说出”，强调持续状态。
Many of their concerns remain unspoken.
他们的许多担忧仍未说出口。
leave sth unspoken 表示“不把某事说出来”，后接宾语再接形容词补语。
I left my criticism unspoken to avoid an argument.
为了不引发争吵，我没有把批评说出口。
Not this
He unspoken his love to her.
Use this
His love for her was left unspoken.
unspoken 是形容词，不是动词，不能直接带宾语。应使用 be left unspoken 或 keep something unspoken 来表示“未说出口”。
Not this
The accident was so unspoken that nobody wanted to talk about it.
Use this
The accident was so unspeakable that nobody wanted to talk about it.
unspoken 表示“没有明说的”；unspeakable 才表示“（因可怕或糟糕而）难以言表的”。两者拼写相近但语义不同。
Not this
There is a unspoken rule in our team.
Use this
There is an unspoken rule in our team.
unspoken 以元音音素 /ʌ/ 开头，因此前面的不定冠词要用 an，不能用 a。这个错误来自按拼写而不是按发音选择冠词。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
不成文的规矩；潜规则
There is an unspoken rule in this office that you should not interrupt the manager.
这个办公室里有一条不成文的规矩：不要打断经理的话。
默契；心照不宣的约定
They had an unspoken agreement never to discuss politics at dinner.
他们有个心照不宣的约定：吃晚饭时绝不谈论政治。
未说出口的问题；心里的疑问
There was an unspoken question on everyone's mind: who would be laid off next?
每个人心里都有一个没说出口的问题：下一个被裁的会是谁？
未言明的假设；隐含的假定
The plan rests on an unspoken assumption that interest rates will stay low.
这个计划建立在一个未言明的假设之上，即利率将保持在低位。
没说出口的话；未尽之言
She regretted the unspoken words between them.
她为他们之间没说出口的话感到遗憾。
不成文的规矩；心照不宣的规则
There's an unspoken rule in our office that no one eats at their desk during meetings.
我们办公室有个不成文的规矩：开会时没人会在自己座位上吃东西。
不言而喻的约定；默契
They had an unspoken agreement to support each other no matter what happened.
他们之间有一种不言而喻的约定：无论发生什么都要互相支持。
心照不宣的纽带；无言的默契
After years of working together, the team developed an unspoken bond that made collaboration effortless.
经过多年的合作，这个团队形成了一种心照不宣的纽带，让协作变得毫不费力。
没说出口的话永远不会带来伤害。
Sometimes it is better to leave your thoughts unspoken.
有时候，最好把自己的想法留在心底不说出来。
有些事情最好不说出口。
There are some feelings that are better left unspoken.
有些感情最好还是不要说出口。
Use unspoken naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 unspoken 拆成 un（不）+ spoken（说出）——话没说出来，就是“未言明”的。
语域：neutral 常见场景：日常对话与书面表达、心理或关系描写、社交与规则讨论 unspoken 属中性词，正式与非正式语境都常用，多指未被言明但能被理解的（如 unspoken rule 不成文规矩、unspoken agreement 默契）。
spoken、broken、token、woken 都含 -oken，读 /əʊkən/，与 unspoken 的 /əʊkən/ 押韵；taken、shaken 拼写接近，但读 /eɪkən/，不押韵。
Dictionary facts from ECDICT, WIKTIONARY.