他四岁开始学弹钢琴的翻译：He was four years old and began learning to play the piano 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

His son began learning to play the piano

He was four years old and began learning to play the piano

正在翻译，请等待...

His 4 -year-old began to study piano

He was four years old and began learning to play the piano