请帮我讲解一下下面这名话的语法知识!

问题描述:

请帮我讲解一下下面这名话的语法知识!
I thought it was a bad sign that you didn't know who Ernest Hemingway was,and you thought I was lazy.We were both right.

你不知道谁是欧内斯特·米勒尔·海明威在我看来是个糟糕的迹象,而你认为我懒~我们都对了.
“that you didn't know who Ernest Hemingway was”是that引导的同位语从句.其他的都很好理解了~