At the end of the poem,the man has quite clearly gone mad from grief: And the raven,never flitting,still is sitting still is sitting On the pallid bust of Pallas just above my chamber door;

VOA: special.2009.02.02

But at the same time, I mean, he's a genius. He's crazy. He's a mad man.

但同时我是想说，他是个天才。他很疯狂。他是个疯子。

蒂姆伯顿最棒 - SpeakingMax英语口语达人

Nearby,on massive balloons, one can see the Colonel of a decade later, the man who backed extremists and terrorists, a pariah dubbed by the United States the "Mad Dog of the Middle East".

VOA: standard.2009.08.29