Maybe I've never really been in love and I have no idea what I'm talking about, or perhaps I'm just a lunatic.

或许我从没有爱过，对于我要谈论的事情一无所知，或者我就是个疯子。

youdao

"' I might as well have struggled with a bear, or reasoned with a lunatic."

“我还不如跟只熊搏斗，或是跟疯子论理还好些。”

youdao

So, it comes as a bit of a surprise that his new book, The Lunatic Express, features no carbon fiber, no breakthrough designs or alternative fuels.

所以，当我们看到他的新书《疯狂特快》时都大吃了一惊。因为这本书里没有碳纤维骨架、没有突破性的设计，也没有替代燃料。

youdao

He says they are reacting to a small group of extremists -- a "lunatic fringe" -- in the Islamic community.

VOA: special.2010.08.05

He was considered a "lunatic" by fellow townspeople and was known as a loner.

NPR: Touring Cezanne's Cultural Roots

"I'm not a lunatic, trust me, " said Marlboro Mayor Jonathan Hornik, the father of three school-age children, in December.

WSJ: Town Divided Over Schools and Firearms

The security lights had been triggered and through the railings they had watched Manning roaming about, from time to time peering in at the downstairs windows of the lumpy red brick building that was said to have been a lunatic asylum once.

NEWYORKER: Bravado