假期是一段让人期待的时间，不仅可以放松身心，还可以提高语言能力。如果您想在假期中用英语表达自己的想法，下面是一些常用的英语表达：

1. 假期 - vacation/holiday

例如：I'm going on vacation to Hawaii next week.

2. 放松身心 - unwind/relax

例如：I love to unwind by reading a book or listening to music.

3. 提高语言能力 - improve language skills

例如：I'm taking an English course this summer to improve my language skills.

4. 练习口语 - practice speaking

例如：I try to practice speaking English with native speakers whenever I get the chance.

5. 学习新单词 - learn new words

例如：I keep a notebook to write down new words I learn during my vacation.

6. 阅读英语书籍 - read English books

例如：I plan to read at least three English books during my holiday.

7. 观看英语电影 - watch English movies

例如：I love to watch English movies with subtitles to improve my listening skills.

8. 写英语日记 - write English diary

例如：I write an English diary every day to practice my writing skills.

以上是一些关于假期用英语怎么说的常用表达，希望对您有所帮助。祝愿您在假期中取得进步！