| A | B |
| ser de buena pasta | to be a good guy, to have a nice disposition |
| ser de película | to be sensational |
| ser de poca monta | to be of little value |
| ser el colmo | to be the limit |
| ser harina de otro costal | to be a horse of a different color |
| ser el ojo derecho | to be someone's pet |
| ser la flor y nata | to be the cream, to be the best |
| ser otro cantar | to be a horse of a different color |
| ser pan comido | to be as easy as pie |
| ser para chuparse los dedos | to taste delicious |
| ser todo oídos | to be all ears |
| ser un cero a la izquierda | to be of no value, to count for nothing (a person) |
| ser un mirlo blanco | to be an impossible dream |
| ser una lata | to be annoying |
| ser una perla | to be a jewel, to be a treasure |
| ser uña y carne | to be close as can be |
| no ser cosa del otro jueves | to be nothing out of the ordinary |