Cool MateCertainly 对比 They certainly do
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
They certainly do
前 5000（相当常见）
最常见: Certainly
| Certainly | They certainly do | |
|---|---|---|
| 发音 | 🇬🇧 /["/ˈsɜːtnli/"]/🇺🇸 /["/ˈsɜːrtnli/"]/ | 🇬🇧 //ðeɪ ˈsɜːtənli duː//🇺🇸 //ðeɪ ˈsɜrtənli du// |
| 含义 | 肯定；一定。Definitely; for sure. | They really do something. |
| 例句 | Without treatment, she will **almost certainly** die. | If you think they are friendly, they certainly do seem that way. |
| 语域 | 中性 | 中性 |
| 常见程度 | 前 1000（非常常见） | 前 5000（相当常见） |
| CEFR 等级 | A2 | - |
| 词性 | adverb | |
| 搭配 | certainly agree, certainly possible, certainly not, certainly true, certainly yes | do say, do believe, do enjoy |
| 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. | Confused with 'they certainly don't' which has an opposite meaning., Using it in overly formal contexts where a simple 'yes' is more appropriate. |
| 用法说明 | 当你想强调肯定或同意时可以使用‘当然’。它比‘好’更正式，适合在专业场合使用，但在随意的对话中可能显得太强烈。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. | Use this phrase to affirm or emphasize something that has been said. It's more emphatic than just saying 'yes'. Suitable for conversations but not very formal writing. |
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常见问题：Certainly 对比 They certainly do
Certainly和They certainly do 有什么区别？
Certainly: Definitely; for sure. They certainly do: They really do something.
哪个更常见：Certainly和They certainly do？
Certainly 在日常英语中最常见。
能各给一个例子吗？
Certainly: Without treatment, she will **almost certainly** die. They certainly do: If you think they are friendly, they certainly do seem that way.
我可以互换使用 Certainly和They certainly do 吗？
不总是。Certainly和They certainly do 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。