I said if you really understand what is it good

问题描述:

I said if you really understand what is it good
请用中国人的思路去理解~
貌似我实在是不能理解~

后面应该是 "what is good " 吧
if 在这里作“是否” 引导宾语从句.What is good 作understand 的宾语.
理解时可以把这句话分开
I said (it) ."If you really understand what is good "
我是说,你到底明不明白什么是好的啊!
请指正!