and kind of go crazy, like go out into the wilderness and go on a really long hike

让自己疯狂，比如去荒野里，去走一段很长的远足，

艺术从自由起步 - SpeakingMax英语口语达人

swinging a baseball bat at me on the subway train for no reason, except that he's crazy.

他在地铁上无端地朝我挥动棒球拍，没有理由，除非他疯了。

向哥伦布学习 - SpeakingMax英语口语达人