unlettered

Although he was unlettered, he knew more about local plants than any scientist.

尽管他没受过教育，他比任何科学家都更了解当地的植物。

Many unlettered workers in the region learned to read only through evening classes.

该地区许多不识字的工人只能通过夜校学会阅读。

She felt unlettered next to her well-read colleagues.

在博览群书的同事面前，她感到自己没受过多少教育。