青云翻译

Through years of English learning, hard work, I have good oral and written English skills.

Through years of learning, hard work, I have good command of spoken and written English skills.

Through several year English studies, assiduous diligently, I have the good English oral ability and the written power of expression.

Through several years of English language learning, hard work, and I have a good command of English Oral Proficiency and written expression.

Through years of learning, hard work, I have good command of spoken and written English skills.