Cool MateEfficacy 对比 Success
在英语中何时使用每一个，包含含义、语域和例句。
Efficacy
正式10000 以上（较少见）
Success
前 1000（非常常见）A1noun
最正式: Efficacy最常见: Success
| Efficacy | Success | |
|---|---|---|
| 发音 | 🇬🇧 //ˈɛfɪkəsi//🇺🇸 //ˈɛfɪkəsi// | 🇬🇧 /["/səkˈses/"]/🇺🇸 /["/səkˈses/"]/ |
| 含义 | 有效性，或者某东西有多好用。Effectiveness or how well something works. | 当你实现了自己想做的事情。When you achieve something you wanted to do. |
| 例句 | The efficacy of the new vaccine was confirmed in clinical trials. | His success in the competition made him very proud. |
| 语域 | 正式 | 中性 |
| 常见程度 | 10000 以上（较少见） | 前 1000（非常常见） |
| CEFR 等级 | - | A1 |
| 词性 | noun | |
| 搭配 | clinical efficacy, evaluate efficacy, prove efficacy, demonstrate efficacy, measure efficacy | enormous, great, immense, amount, degree, level, achieve, attain, enjoy, come, lie (in something), depend on something, rate, story, factor, with success, without success, success in, a chance of success, a hope of success, confident of success, resounding, roaring, rousing, be, prove, have, wish somebody (every) success |
| 反义 | - | failure, defeat, setback |
| 常见错误 | Confused with 'efficiency', which refers to doing things quickly and without waste., Often used without proper context; needs to specify what is being evaluated., Mispronounced, especially by non-native speakers. | Confused with 'successfully', which is an adverb., Used incorrectly as a verb instead of the noun form., Misplaced in sentences, such as 'We have success' instead of 'We are successful'. |
| 用法说明 | 主要用在研究、医学和政策讨论等正式场合。日常对话中不太常用。Used primarily in formal contexts like research, medicine, and discussions about policy. Less common in everyday conversation. | 在谈论实现目标或友好的胜利时使用'成功'。避免在负面情况下或作为嘲讽使用。Use 'success' when talking about achieving goals or winning in a friendly context. Avoid using it in negative situations or as a mockery. |
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常见问题：Efficacy 对比 Success
Efficacy和Success 有什么区别？
Efficacy: Effectiveness or how well something works. Success: When you achieve something you wanted to do.
哪个更正式：Efficacy和Success？
Efficacy 是其中最正式的。
哪个更常见：Efficacy和Success？
Success 在日常英语中最常见。
能各给一个例子吗？
Efficacy: The efficacy of the new vaccine was confirmed in clinical trials. Success: His success in the competition made him very proud.
我可以互换使用 Efficacy和Success 吗？
不总是。Efficacy和Success 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。