爷爷是走过新旧社会两重天的人，对旧社会的批判最有发言权。

爷爷是走过新旧社会两重天的人，对旧社会的批判最有发言权。的英文翻译

基本释义

• My grandpa has lived through the old, and new societies. He is the most suitable person to have the say of the old society.