专注英语可以说是「focus on English」。关于这个词的来源，focus 是一个英语单词，意思是「集中，聚焦」。它来自拉丁语的 focus，意思是「焦点」。
举一些英文例句：
- I want to focus on English and improve my speaking skills.
- In order to pass the exam, you need to focus on English and study hard.
- He always focuses on English when he studies, and it has paid off.
- She decided to focus on English and put all her energy into learning the language.
希望这些例句对你有所帮助。