Je was op zoek naar: malvendieron (Spaans - Engels)

y lo malvendieron por contados dirhemes, subestimándolo.
and the brothers sold him for an improper price, a limited number of coins; and they had no interest in him.

pero se la echaron a la espalda y la malvendieron.
'but they threw it behind their backs and they bought with it a little price.

pero se la echaron a la espalda y la malvendieron. ¡qué mal negocio...!
but they cast it behind their backs and bartered it for a paltry price: what an evil bargain they made!

3:187 cuando alá concertó un pacto con los que habían recibido la escritura: «tenéis que explicársela a los hombres, no se la ocultéis». pero se la echaron a la espalda y la malvendieron.
3:187 when allah took a covenant with those to whom the book was given, (saying): 'you shall make it clear to the people, and not conceal it. 'but they threw it behind their backs and they bought with it a little price.