Spanish - Cuba - Cuban Spanish
A caballo regalado no se le mira el diente.
Do not look at the tooth of a gifted horse.
Meaning
Accept a gift without excessive criticism.
Literal translation
A gifted horse is not judged by its tooth.
Usage example
Dale gracias; a caballo regalado no se le mira el diente.
Thank them; do not inspect the teeth of a gifted horse.
Cultural context
Used to teach gratitude.