deaf nut

例句：

1. 1.The deaf nut was the only one who could understand the song.
   那个聋子是唯一能听懂这首歌的人。
2. 2.He's a dumb nut; he can't even spell his own name.
   他真是个笨蛋，连自己的名字都不会写。
3. 3. She is an idiot for not listening to her parents' advice.
   她真是个笨蛋，不听父母的劝告。