as……as……can/could be是一个特殊的强调形容词含义的结构，含义是：到了最……的程度；极其,……得不能再……。比较状语从句。例：
Can he buy the car?
He is as poo as poor can be.
他能买了这辆车吗？
他已到了最穷的程度了。
She is as happy as happy can be.
她幸福极了。
You’re as wrong as wrong can be.
你大错特错了。
She is as beautiful as beautiful can be.
她极其的漂亮。
I’m as rich as rich can be.
我富得不能再富了。
The room ia as dirty as dirty can be.
这个房间脏得不能再脏了。
The girl is as bad as bad can be.
那女孩坏得不能再坏了。
The stars are as much as much can be.
星星多得不能再多了。
