"nuttier than a fruitcake" in Chinese (Simplified)
比疯子还疯非常疯狂（形容人很古怪）
Definition
这个幽默的表达形容某人非常疯狂、怪异，行为很古怪。
Usage Notes (Chinese (Simplified))
极为口语化，幽默带点夸张，经常用于朋友之间描述某人很怪或疯狂。不能用于正式场合。
Examples
My uncle is nuttier than a fruitcake—he wears a hat with feathers every day.
我叔叔**比疯子还疯**，每天都戴着带羽毛的帽子。
That idea is nuttier than a fruitcake.
这个想法**比疯子还疯**。
People say my brother is nuttier than a fruitcake because he talks to his plants.
人们说我哥哥**比疯子还疯**，因为他跟植物说话。
Honestly, after hearing her plan, I thought she was nuttier than a fruitcake.
说真的，听了她的计划后，我觉得她**比疯子还疯**。
You'd have to be nuttier than a fruitcake to try bungee jumping off that bridge!
要从那座桥蹦极，你**比疯子还疯**！
He acts like he's nuttier than a fruitcake, but deep down he’s really smart.
他表现得**比疯子还疯**，其实内心很聪明。