这本书讲的是主人公三十年的心路历程的翻译：The book tells of the protagonist mind experience of 30 years 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

This book is about the mentality of the hero three decades

The book tells of the protagonist mind experience of 30 years

This book says is the leading character 30 year idea courses

This book is talking about the journey of 30 characters

The book tells of the protagonist mind experience of 30 years