feather brain

• 愚蠢的人,轻浮的人

feather brain的用法和样例：

例句

1. There is a foolish corner in the brain of the wisest man.
   最聪明的人的头脑当中也有一个愚蠢的角落。
2. It's foolish to think that computers will eventually take the place of the human brain.
   认为计算机最终会代替人脑是愚蠢的。