在日常生活中，我们常常需要表达自己正在忙于做某事。然而，如何用英语表达这个意思呢？本文将为大家详细介绍几种常用的表达方式。
1. I'm busy doing something.
这是最常见的表达方式，意思是“我正忙于做某事”。例如：
- Sorry, I can't talk right now. I'm busy doing something.
- Can you come back later? I'm busy doing something at the moment.
2. I'm in the middle of something.
这个表达方式也很常见，意思是“我正在做某事中”。例如：
- Can I call you back later? I'm in the middle of something right now.
- Sorry, I can't help you at the moment. I'm in the middle of something important.
3. I'm tied up at the moment.
这个表达方式比较口语化，意思是“我现在很忙”。例如：
- Can you give me a few minutes? I'm tied up at the moment.
- Sorry, I can't meet you right now. I'm tied up with work.
4. I'm swamped with work.
这个表达方式比较强调工作方面的忙碌，意思是“我被工作淹没了”。例如：
- I can't go out tonight. I'm swamped with work.
- Sorry, I can't help you with that. I'm swamped with other projects right now.
5. I'm up to my ears in something.
这个表达方式比较形象，意思是“我忙得不可开交”。例如：
- I can't take on any more work. I'm up to my ears in projects at the moment.
- Sorry, I can't go to the party tonight. I'm up to my ears in work.
总结：
以上就是几种常用的表达方式，用来表达“我正在忙于做某事”的意思。当然，这些表达方式并不是完全互换的，需要根据具体情况选择合适的表达方式。希望本文对大家有所帮助。
