as blind as a bat

Translations
слепой как летучая мышь
He is as blind as a bat without his glasses.
Он слепой как летучая мышь без своих очков.
Definitions
This phrase means to be unable to see well or to be completely blind, often used to describe someone who is oblivious to their surroundings or unaware of what is happening.
Words
bat

noun
летучая мышь
blind

noun
слепой