don't judge a book by its cover (dont yudch a buk bai its kover)

Idiom Proverb

Meaning

you shouldn't form an opinion on someone or something based purely on what you see on the outside

no debes formarte una opinión sobre alguien o algo solo por lo que ves por fuera

Oraciones de ejemplo

"She may look serious, but don't judge a book by its cover."

"Puede parecer seria, pero no juzgues un libro por su portada."