What kind of person is a blind metaphor?

Blind obedience is a two-part allegorical saying, pinyin is zhēngy m \nxiā, which is a metaphor for people who are illiterate, feudal, as blind as a bat, illiterate and poor in knowledge. Sometimes it is used to misjudge people and things.

From Yu Pin Ji Youqing by Gao Lian in Ming Dynasty: "I was born blind and broke my foot. I can't recite the scriptures, so I have to hold the box. "

Synonym: illiterate.

Usage: as subject, object and attribute, it is used in the structure of oral idioms, and it is perceptual in formal idioms, which means illiteracy.

Example: My brother is highly myopic, and he can't live without glasses everywhere, just like a "blind man".

Make sentences:

1, Grandpa couldn't afford to go to school in the old society because his family was poor. He is blind. After liberation, he attended a literacy class and learned to look it up in a dictionary. Now he often reads books and newspapers.

His eyes are so nearsighted that he can hardly see without glasses.

The fault lies in the reckless judgment of the blind referee.