yokel

例句：

1. 1. He's a yokel who doesn't understand the basics of mathematics.
   他是个傻瓜，不懂数学的基本概念。
2. 2. The yokel was so naive that he believed in ghosts.
   那个傻瓜太天真了，以为有鬼。
3. 3. The yokel had no idea what was happening around him.
   那个傻瓜根本不知道周围发生了什么。