He totally flipped out — he was hopping around like a crazy man, screaming and yelling out in the middle of the street.

他怒火万丈，像个疯子一样在街上乱吼乱叫、暴跳如雷。

youdao

Some people who were looking at him shook their heads and said, "You're crazy, man."

有人看到他这样子后，就摇摇头说：“老兄，你是脑袋坏掉啦？”

youdao

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

Mr. JAGGER: (Singing) I hear a preacher on the corner ranting like a crazy man.

NPR: The Stones Defiant: 'A Bigger Bang'

BioShock Infinite would have been cool if it was just another crazy man running an impossibly placed city like the first BioShock.

FORBES: An Attempt to Understand BioShock Infinite's Brilliant and Bizarre Ending

How much would it hurt them if they turned on the TV and heard, instead of tributes to those lost, pundits going on about a crazy man's Facebook manifesto?

CNN: Don't focus on Chris Dorner's politics