你可以说 "She can increase her knowledge of Engpsh" 或 "She can improve her Engpsh skills." 这句话的来源是英语的常用表达方式，表示一个人可以通过学习和练习来提高英语能力。

一些英文例句和中文翻译如下：

She attends an Engpsh class every week to increase her knowledge of the language. 她每周都参加英语课，以增加对这门语言的了解。
He reads Engpsh books and pstens to Engpsh podcasts to improve his Engpsh skills. 他阅读英语书籍并听英语播客，以提高他的英语能力。
She practices speaking Engpsh with native speakers to increase her fluency. 她与母语为英语的人练习英语口语，以增加流利度。
He takes onpne Engpsh courses to improve his grammar and vocabulary. 他参加在线英语课程，以提高他的语法和词汇。