呆子

例句：

1. 1. He was a fool to trust that person.
   他太愚蠢了，竟然相信那个人。
2. 2. The idiot boy kept playing with the fire.
   那个愚蠢的男孩一直在玩火。
3. 3. Simpletons should not be trusted with important decisions.
   愚蠢的人不应该被信任做重要的决定。