他是一个坚持英语的正确使用的人。

He was a stickler for the correct usage of English.

《柯林斯英汉双解大词典》

许多年里他坚持学习并使用英语直到他精通它。

For many years he kept on studying English and using it until he master it.

youdao

许多年里他坚持学习并使用英语直到他精通它。

For many years he kept on studying English and using it until he master it.

youdao