crackpot

['kræk.pɔt]

adj.想入非非的,不切实的
n.疯子, 怪人, 狂想家

例句与用法：

He got the crackpot that the president was a communist.

他疯狂地以为总统是共产党员。

详细释义：

n.

【口】疯子; 怪人; 狂想家

That crackpot thinks his neighbors are aliens.

那位疯子认为他的邻居是外星人。

a.

想入非非的, 莫名其妙的, 古怪的

Yesterday Mr. Zhang received a crackpot letter, and to be worse, he did not know who was the sender.

昨天张先生收到了一封莫名其妙的信, 而且更糟糕的是, 他不知道是谁寄来的。