I was shown a few things I’d been getting wrong,

那么我所认定的那些都错了

Get wrong误解

例句：

Don't get me wrong.

别误解我。

That was all figment of your mind.

没有你心中那些奇思妙想

Figment n.虚构的东西

例句：

That Sunday is a figment of the world's imagination .

星期天是世界想象出来的虚构物。

Doctor, are you suggesting the pain is a figment of my imagination?

医生，你是说这疼痛是我想像出来的喽?