No ver tres en un burro
Not to see three on a donkey.
to be blind as a bat; **to be blind as a bat**; **to miss the obvious**; **not to see what's right in front of you**; **to be oblivious**
No ver tres en un burro means to have very poor eyesight or to be unable to notice something that is perfectly obvious.
Sin gafas no veo tres en un burro.
Without my glasses I'm blind as a bat.
No ves tres en un burro.
You don't notice anything.
Estaba delante de ti y no lo viste. ¡No ves tres en un burro!
It was right in front of you!
Hay que estar ciego para no verlo. No ve tres en un burro.
You're completely oblivious.
The literal meaning refers to physical vision, but the expression is often used figuratively to describe a lack of awareness, perception or common sense.
Whether the speaker is talking about eyesight or judgement depends on the context.
- cannot see without glasses
- overlooks something obvious
- fails to notice what everyone else has seen
- makes an avoidable mistake through inattention
- shows little awareness of the situation
Its power comes from a vivid, immediately understandable comparison.
The most widely accepted explanation is that the expression exaggerates poor eyesight through an intentionally ridiculous image.
If someone cannot distinguish even the large, obvious shape of a donkey—or the details upon it—their vision must be extremely poor.
As with many traditional Spanish idioms, the humour lies precisely in the absurdity of the image.
Although the expression originally referred to eyesight, modern speakers often apply it metaphorically.
Someone may perfectly well see physically yet still be told:
No ves tres en un burro.
In that case, the criticism concerns perception rather than vision.
The speaker means:
"How could you not realise something so obvious?"
Spanish frequently uses exaggerated visual images to describe perception.
What makes no ver tres en un burro especially memorable is that nobody really knows what the mysterious "three" originally referred to.
The expression has survived for centuries despite the image remaining delightfully unexplained.
That mystery is part of its charm—and one reason native speakers continue to use it with a smile.
Do not translate the expression literally.
English speakers would never say:
He can't see three on a donkey.
Instead, choose expressions such as:
- He's blind as a bat.
- He didn't notice the obvious.
- He's completely oblivious.
Choose the translation according to whether the context refers to eyesight or awareness.
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