Cool MateAll of a sudden 对比 Next thing you know
在英语中何时使用每一个，包含含义、语域和例句。
All of a sudden
前 2000（常见）
Next thing you know
非正式前 3000（常见）
最正式: All of a sudden最常见: All of a sudden
| All of a sudden | Next thing you know | |
|---|---|---|
| 发音 | 🇬🇧 //ɔːl əv ə ˈsʌdən//🇺🇸 //ɔl əv ə ˈsʌdən// | 🇬🇧 //nɛkst θɪŋ jə nəʊ//🇺🇸 //nɛkst θɪŋ jə noʊ// |
| 含义 | 出乎意料地或者很快地。Unexpectedly or very quickly. | 然后事情就很快或出乎意料地发生了。Then something happens quickly or unexpectedly. |
| 例句 | All of a sudden, it started to rain heavily. | I was watching TV, and the next thing you know, it's midnight! |
| 语域 | 中性 | 非正式 |
| 常见程度 | 前 2000（常见） | 前 3000（常见） |
| 搭配 | all of a sudden, a loud noise, all of a sudden, they appeared, all of a sudden, it happened | and the next thing you know, next thing you know, it's, before you know it, the next thing you know |
| 反义 | gradually, slowly, over time | previously, earlier, beforehand, last thing you realize |
| 常见错误 | Using in overly formal contexts., Confusing with similar phrases like 'suddenly.', Omitting 'of' in the phrase. | Using it in a formal context., Confusing it with 'next thing,' which is less specific., Overusing it in conversations. |
| 用法说明 | 用来形容突然发生的变化。口语和书面语都适用；避免在正式写作中使用。Used to describe a change that happens suddenly. Suitable for both spoken and written English; avoid in formal writing. | 用于闲聊，描述突然的变化或事件。不适合正式写作。Used in casual conversation to describe a sudden change or event. Not suitable for formal writing. |
在真实片段中看它
常见问题：All of a sudden 对比 Next thing you know
All of a sudden和Next thing you know 有什么区别？
All of a sudden: Unexpectedly or very quickly. Next thing you know: Then something happens quickly or unexpectedly.
哪个更正式：All of a sudden和Next thing you know？
All of a sudden 是其中最正式的。
哪个更常见：All of a sudden和Next thing you know？
All of a sudden 在日常英语中最常见。
能各给一个例子吗？
All of a sudden: All of a sudden, it started to rain heavily. Next thing you know: I was watching TV, and the next thing you know, it's midnight!
我可以互换使用 All of a sudden和Next thing you know 吗？
不总是。All of a sudden和Next thing you 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。