Cool MateNot a clue 对比 Not sure
在英语中何时使用每一个，包含含义、语域和例句。
Not a clue
非正式前 2000（常见）
Not sure
| Not a clue | Not sure | |
|---|---|---|
| 发音 | 🇬🇧 //nɒt ə kluː//🇺🇸 //nɑt ə klu// | |
| 含义 | 我对此一无所知。I don't know anything about it. | |
| 例句 | I have not a clue where my keys are. | - |
| 语域 | 非正式 | - |
| 常见程度 | 前 2000（常见） | - |
| 搭配 | not a clue about, not a clue how, not a clue where | - |
| 反义 | completely sure, certain, fully informed, aware | - |
| 常见错误 | Confused with 'have a clue' (meaning to know something)., Incorrectly using in formal contexts., Misplacing 'not' (e.g., saying 'have not a clue'). | - |
| 用法说明 | 用于闲聊，表达对某个话题的无知。不适用于正式写作。Used in casual conversation to express ignorance about a topic. Not suitable for formal writing. | - |
在真实片段中看它
常见问题：Not a clue 对比 Not sure
Not a clue和Not sure 有什么区别？
Not a clue: I don't know anything about it. Not sure:
我可以互换使用 Not a clue和Not sure 吗？
不总是。Not a clue和Not sure 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。