all of a sudden

all of a sudden的音标是[ɔːl və(r) ˈʌndə(r)]，基本翻译是“突然地”，速记技巧是“all”表示全部，“of”表示……的，“a”表示一个，“sudden”表示突然的。

All of a sudden的英文词源是：

- all：全部，都

- of：表示所属或方位

- a：不定冠词

- sudden：突然的

变化形式：所有格形式为"all of sudden"，复数形式为"allsudsden"。

相关单词：

- suddenness：突然，出乎意料

- unexpectedly：出乎意料地

- abruptly：突然地，粗暴地

- haphazardly：随意地，随便地

- unaccountably：无法解释地

- in a flash：突然间

- all of a sudden：突然

- in a twinkling：瞬间，眨眼间

- in a moment：立刻，马上

- in a flash of lightning：闪电般地

All of a sudden是一个常用的英语短语，通常用于描述某个事件或情况发生得非常突然或出乎意料。这个词组在英语中非常常见，并且可以用来描述许多不同的情况和情境。

常用短语：

1. all of a sudden

2. out of the blue

3. without warning

4. unexpectedly

5. abruptly

6. in a flash

7. in a twinkling

例句：

1. All of a sudden, the rain started pouring down.

2. He turned around and saw her standing there all of a sudden.

3. I was writing when all of a sudden, an idea came to me.

4. She felt a sudden urge to run away without warning.

5. I was surprised to find that the exam was unexpectedly difficult.

6. He slammed the door shut abruptly.

7. It happened in a flash, and I still can"t believe it.

英文小作文：

All of a sudden, I realized that my life had changed dramatically over the past few months. I used to be so focused on work and school, but now I"m starting to appreciate the little things in life, like spending time with my family and friends, taking walks in the park, and even just relaxing on the couch with a good book. I"ve realized that life is not about achieving success and fulfillment, but about cherishing the moments that make us feel happy and content. Now, I try to savor every moment of my life, because it could all be gone in a flash.