like showing a card trick to a dog

like showing a card trick to a dog

Said when showing something to someone that they can't possibly comprehend or appreciate. Good luck getting that doofus to understand the intricacies of the budget report. It's like showing a card trick to a dog. I don't know why I bother showing you my cool new tech stuff. It's always like showing a card trick to a dog.
See also: card, dog, like, showing, trick
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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