1
be in the know
用作名词，表示‘知情’，常用于固定短语‘in the know’。
Only a few people are in the know about the merger.
只有少数人知道合并的内情。
知情；了解内幕
先理解核心含义，再看它在真实句子里的用法。
知情；了解内幕
knowledge or awareness, especially of information known to only a few people; used mainly in the fixed phrase 'in the know'
Only a few people are in the know about the merger.
只有少数人知道合并的内情。
主要用于固定短语 in the know
知识；知晓的状态(现仅用于固定短语“知情”)
Knowledge; the state of knowing. (Now confined to the fixed phrase in the know.)
对少数人已知信息的意识
the fact of being aware of information that is known to few people
Only a few people are in the know about the company's upcoming merger.
只有少数人知道公司即将进行的合并。
AI contextual example
Journalists who are in the know often have access to privileged information.
知情记者通常能够接触到特权信息。
AI contextual example
She was not in the know, so she couldn't answer our questions.
她不知情，所以无法回答我们的问题。
AI contextual example
he is always in the know
他总是知道内情
WordNet
用作名词，表示‘知情’，常用于固定短语‘in the know’。
Only a few people are in the know about the merger.
只有少数人知道合并的内情。
She's in the know about the company's plans.
她了解公司的计划。
Not this
I have a know about this topic.
Use this
I have some knowledge about this topic.
“know”作名词时是不可数名词，一般只用于固定短语（如in the know），表示“知情”；表示“知识”时应用“knowledge”。
Not this
He doesn't have much know of history.
Use this
He doesn't have much knowledge of history.
“know”作为名词不用于表示对某领域的了解；应用“knowledge”来表示“知识”。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
知情的；了解内幕的
Only a few people were in the know about the merger.
只有少数人知道合并的内幕。
知情, 了解内幕
Only a few people are in the know about the confidential plan.
只有少数人知道这个机密计划。
Use know naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
know 读音同 'no'，但意思是‘知道’（秘密），知道秘密的人不能说‘不’。
名词 know 多用于短语 'in the know'，表示知情，常见于内部消息、新闻、商业和闲聊等语境，语体偏非正式，但也可用于中性场合。
主要用于固定短语 in the know，意为‘知情、了解内幕’
Dictionary facts from AI_FALLBACK, DICTIONARY_API_DEV, ECDICT, WORDNET.