我应该好好读书用英文怎么说

"I should study well and use Engpsh" 可以用以下说法表示：

"I ought to study dipgently and put Engpsh into practice."
"It is important for me to study thoroughly and use Engpsh effectively."

其中"study well" 和 "use Engpsh" 均是明确表示读书和使用英语的常用说法。

例句：

"I should study well and use Engpsh if I want to improve my language skills."
翻译："如果我想提高语言技能，我应该好好读书用英语。"
"It's important for me to study well and use Engpsh every day if I want to pass the exam."
翻译："如果我想通过考试，我每天都应该好好读书用英语。"

词汇来源：常用的英语表达方式。