这本书太难，我理解不了的翻译：This book is so difficult that I can't understand 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 too difficult, I can not understand

This book is so difficult that I can't understand

This book too is difficult, I could not understand

This book is too difficult, I can't understand

This book is so difficult that I can't understand