专注刻苦英语怎么说

专注刻苦英语可以用“diligently studying English”来表达。这个短语来源于英文动词“diligent”，意思是勤奋的、专心致志的。例句：
She spends hours every day diligently studying English. (她每天花几小时专心刻苦学习英语。)
He has been diligently studying English for the past year. (他过去一年一直专心刻苦学习英语。)
专注刻苦英语的英文翻译是“diligently studying English”。