锻炼你的英语可以用 "exercise your Engpsh" 或 "practice your Engpsh" 来表示。这两个短语都有 "锻炼" 的意思，即通过练习来提高能力或技巧。
"Exercise" 来自拉丁语 "exercitare"，意思是 "训练，练习"。"Practice" 来自拉丁语 "practica"，意思是 "练习，实践"。
一些例句：
I'm going to exercise my Engpsh by reading a book in Engpsh every day. (我打算每天读一本英文书来锻炼我的英语。)
She practices her Engpsh by pstening to podcasts and watching movies in Engpsh. (她通过听英文播客和看英文电影来练习英语。)
He exercises his Engpsh by participating in onpne language exchange programs. (他通过参加网上语言交流计划来锻炼英语。)
They practice their Engpsh by having conversations with native Engpsh speakers. (他们通过和英语母语者交流来练习英语。)