Cool MateThey don't know who or what 对比 Unknown
在英语中何时使用每一个，包含含义、语域和例句。
They don't know who or what
前 2000（常见）
Unknown
前 2000（常见）B2adjective
| They don't know who or what | Unknown | |
|---|---|---|
| 发音 | 🇬🇧 //ðeɪ doʊnt noʊ huː ɔr wɒt//🇺🇸 //ðeɪ doʊnt noʊ huː ɔr wɑt// | 🇬🇧 /["/ˌʌnˈnəʊn/"]/🇺🇸 /["/ˌʌnˈnəʊn/"]/ |
| 含义 | A phrase used to express uncertainty about a person or thing. | 不为人知或不熟悉的。Not known or familiar. |
| 例句 | They don't know who or what will show up at the party. | The mysterious book contained many unknown secrets. |
| 语域 | 中性 | 中性 |
| 常见程度 | 前 2000（常见） | 前 2000（常见） |
| CEFR 等级 | - | B2 |
| 词性 | adjective | |
| 搭配 | know who, know what, don't know | be, remain, completely, entirely, quite, to, for parts unknown, to parts unknown, for reasons unknown, be, remain, completely, entirely, quite, to, for parts unknown, to parts unknown, for reasons unknown, be, remain, completely, entirely, quite, to, for parts unknown, to parts unknown, for reasons unknown |
| 反义 | - | known, familiar, certain |
| 常见错误 | Confusing with 'They don't know who' or 'They don't know what', which omit one part of the phrase., Misunderstanding the context, thinking it implies they know something., Omitting 'who' or 'what' entirely in casual conversation. | Confused with 'unkown' — incorrect spelling., Using it in a sentence where something is actually known., Misplacing it in a sentence making it unclear. |
| 用法说明 | Used to convey that there is a lack of information about identity or nature. Common in both spoken and written English. | 用来描述不被认出或未被识别的事物。常用于日常对话和写作中。在上下文清晰的情况下可以避免使用。Used to describe something that is not recognized or identified. Commonly used in everyday conversation and writing. Avoid when the context is clear without it. |
在真实片段中看它
常见问题：They don't know who or what 对比 Unknown
They don't know who or what和Unknown 有什么区别？
They don't know who or what: A phrase used to express uncertainty about a person or thing. Unknown: Not known or familiar.
能各给一个例子吗？
They don't know who or what: They don't know who or what will show up at the party. Unknown: The mysterious book contained many unknown secrets.
我可以互换使用 They don't know who or what和Unknown 吗？
不总是。They don't know who or what和Unknown 相关，有时可以互换，但在语域、常见程度和用法上不同，所以换用可能改变意思或语气。替换前先看看上面的区别。