| A | B |
|---|
| SER UN AS | to be an "ace" (really smart or good at something) |
| SER UN BUENO PARA NADA | to be a lazy good-for nothing person |
| SER UN CERO A LA IZQUIERDA | to be a "zero"; insignificant |
| SER UN CODO | to be an "elbow" (stingy / selfish with money) |
| SER DE BUENA MADERA | to be of "good wood" (to be strong like an ox) |
| SER UN DULCE | to be sweet (kind/tender) |
| SER UNA PAPA | to be a "potato" (to be clumsy / little ability) |
| SER UNA PIEDRA | to be a "stone" (not good for much of anything) |
| SER UN PAN DE DIOS | to be "bread from God" (kind/generous/charitable) |
| SER PATA DE PERRO | to be a "dog's paw" (to be adventurous / run around anywhere) |
| ESTAR DE MANTELES LARGOS | to be of "long tablecloths" (to be in a celebratory mode) |
| ESTAR EN LA LUNA / EN LAS NUBES | to be on the moon / in the clouds (to be "out of it" / distracted) |
| ESTAR EN CONTACTO | to be in touch (keep communication open) |
| ESTAR EN TRATAMIENTO | to be undergoing treatment (medical) |
| ESTAR EN CUARENTENA | to be in quarantine (isolation due to illness) |
| ESTAR ENTRE LA ESPADA Y LA PARED | to be between a rock and a hard place (the "sword and the wall" - between two options unable to make a choice) |
| ESTAR HARTO | to be "fed up" (beyond the tolerable limit) |
| SER = | WHAT and WHO you are (verb?) |
| ESTAR = | WHERE and HOW you are (verb?) |
