1. He is a successful autodidact, having learned multiple languages on his own.
他是一个成功的自学者，自己学会了多种语言。
2. Many great scientists throughout history were autodidacts who pursued knowledge outside of traditional educational institutions.
历史上许多伟大的科学家都是自学成才的人，他们在传统教育机构之外追求知识。