Cool MateUncertainty 对比 What i don't know
在英语中何时使用每一个，包含含义、语域和例句。
Uncertainty
前 1000（非常常见）B2noun
What i don't know
前 3000（常见）
最常见: Uncertainty
| Uncertainty | What i don't know | |
|---|---|---|
| 发音 | 🇬🇧 /["/ʌnˈsɜːtnti/"]/🇺🇸 /["/ʌnˈsɜːrtnti/"]/ | 🇬🇧 //wɒt aɪ doʊnt noʊ//🇺🇸 //wɑt aɪ doʊnt noʊ// |
| 含义 | 对某事不确定。Not being sure about something. | 我不知道的事情。Things I am not aware of. |
| 例句 | The uncertainty about the future made it difficult for her to make long-term plans. | I can't help you with that; it's just what I don't know. |
| 语域 | 中性 | 中性 |
| 常见程度 | 前 1000（非常常见） | 前 3000（常见） |
| CEFR 等级 | B2 | - |
| 词性 | noun | |
| 搭配 | considerable, great, high, amount, degree, element, cause, create, generate, surround something, exist, remain, uncertainty about, uncertainty as to, uncertainty in, an area of uncertainty, an atmosphere of uncertainty, a climate of uncertainty, considerable, great, high, amount, degree, element, cause, create, generate, surround something, exist, remain, uncertainty about, uncertainty as to, uncertainty in, an area of uncertainty, an atmosphere of uncertainty, a climate of uncertainty | what I don't understand, what I don't remember, what I don't believe |
| 反义 | certainty, assurance, confidence | what I do know, knowledge, understanding |
| 常见错误 | Confusing 'uncertainty' with 'insecurity' which has different meanings., Using 'uncertainty' in situations that require more concrete terms., Not differentiating between 'uncertainty' as a state and the causes of that uncertainty. | Confused with 'what I do know'., Misused in affirmative sentences., Used incorrectly as a question. |
| 用法说明 | 在科学或学术等正式讨论中使用“不确定性”。在日常对话中避免使用，因为像“怀疑”这样的简单词可能更合适。Use 'uncertainty' in formal discussions, such as scientific or academic contexts. Avoid it in casual conversations where simpler words like 'doubt' may be more appropriate. | 当你表达不确定或缺乏知识时使用这个短语。它适用于休闲和正式的谈话。Use this phrase when expressing uncertainty or lack of knowledge. It's appropriate in both casual and formal conversations. |
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常见问题：Uncertainty 对比 What i don't know
Uncertainty和What i don't know 有什么区别？
Uncertainty: Not being sure about something. What i don't know: Things I am not aware of.
哪个更常见：Uncertainty和What i don't know？
Uncertainty 在日常英语中最常见。
能各给一个例子吗？
Uncertainty: The uncertainty about the future made it difficult for her to make long-term plans. What i don't know: I can't help you with that; it's just what I don't know.
我可以互换使用 Uncertainty和What i don't know 吗？
不总是。Uncertainty和What i don't know 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。