no ver tres en un burro
Spanish
Etymology
Literally, "not see three on a donkey". The story goes that in the beginning of the 20th century in Andalusia, to test someone's sight, a person was given a photo with three people sitting on a donkey. If the person could not make them out, they would have been declared to have had bad sight.
Verb
- (idiomatic) To be blind as a bat