Cool MateCertainly 对比 Of course
在英语中何时使用每一个，包含含义、语域和例句。
Certainly
前 1000（非常常见）A2adverb
Of course
前 1000（非常常见）
| Certainly | Of course | |
|---|---|---|
| 发音 | 🇬🇧 /["/ˈsɜːtnli/"]/🇺🇸 /["/ˈsɜːrtnli/"]/ | 🇬🇧 //əv kɔːs//🇺🇸 //əv kɔrs// |
| 含义 | Definitely; for sure. | Definitely, it's obvious. |
| 例句 | Without treatment, she will **almost certainly** die. | Are you joining us for dinner tonight? Of course! |
| 语域 | 中性 | 中性 |
| 常见程度 | 前 1000（非常常见） | 前 1000（非常常见） |
| CEFR 等级 | A2 | - |
| 词性 | adverb | |
| 搭配 | certainly agree, certainly possible, certainly not, certainly true, certainly yes | of course not, of course yes, of course you can, of course it is |
| 反义 | uncertainly, doubtfully | - |
| 常见错误 | 'Certainly' is often incorrectly used in place of 'certain' in adjectives., Learners might confuse 'certainly' with 'definitely' without noticing the subtle nuance., Some learners use 'certainly' in inappropriate contexts, such as casual greetings. | Using it in formal writing where a different expression is needed., Confusing it with other affirmations like 'certainly' or 'definitely'. |
| 用法说明 | Use 'certainly' when you want to emphasize affirmation or agreement. It is more formal than 'sure' and works well in professional settings, but might feel too strong in casual conversations. | Used in informal and formal situations to affirm something obvious. Avoid in highly formal writing. |
在真实片段中看它
常见问题：Certainly 对比 Of course
Certainly和Of course 有什么区别？
Certainly: Definitely; for sure. Of course: Definitely, it's obvious.
能各给一个例子吗？
Certainly: Without treatment, she will **almost certainly** die. Of course: Are you joining us for dinner tonight? Of course!
我可以互换使用 Certainly和Of course 吗？
不总是。Certainly和Of course 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。