| A | B |
| de sobra | adicionál/extra |
| adicionál | de sobra/extra |
| afanarse | to work diligently, make great effort |
| peso | weight |
| dejar de | cesar/to stop |
| cesar | dejar de/to stop |
| perjudicar | dañar/hacer daño/to damage |
| valer | to be worth |
| dañar | hacer daño/perjudicar/to damage |
| hacer daño | dañar/perjudicar/to damage |
| chucherías | junkfood |
| adelgazar | enflaqueser/bajar de peso/to become thinner, lose weight |
| enflaqueser | adelgazar/bajar de peso/to become thinner, lose weight |
| bajar de peso | adelgazar/enflaqueser/to become thinner, lose weight |
| corto plazo | short-range |
| quírofano | sala de operaciones/operating room |
| sala de operaciones | quírofano/operating room |
| rechazar | to reject |
| padecer | sufrir/to suffer |
| sufrir | padecer/to suffer |
| darse cuenta de | to realize |
| estar en la linea | to be in shape |
| ceguera | blindness |
| tener sed/hambre | to be thirsty/hungry |
| pérdida | lost |
| fallo | failure |
| avisar | to advise, warn |
| voltear | girar/to turn |
| girar | voltear/to turn |
| sacudir | to shake |
| dañino | perniciosa/extremely bad |
| perniciosa | dañino/extremely bad |
| agudizar | afilar/to sharpen |
| afilar | agudizar/to sharpen |
| pilar | base/pillar |
| base | pilar/pillar |
| sedentario | sedentary |
| someterse a | to be subjected to |
| quebrantar | romper/to break |
| romper | quebrantar/to break |
| búsqueda | search |
| tasa | rate |
| placentera | pleasant |
| haber de ____ (inf.) | must _____ (inf.) |
| aro | rim, hoop |
| terapia | therapy |
| fracasar | to fail |
| suceder | ocurrir/pasar/to happen |
| ocurrir | suceder/pasar/to happen |
| pasar | suceder/ocurrir/to happen |
| debido a | due to |
| desarrollo | development |
| demorar | retrasar/to delay |
| retrasar | demorar/to delay |
| disponible | available |
| estremecer | to shudder |
| recetar | to prescribe |
| llevar acabo | to carry out |
| malestar | state of feeling bad |
| lucha | struggle |
| ratón | mouse |
| veneno | venom, poison |
| aguijón | a sting |
| aislar | to isolate |
| alentar | fomentar/to animate, to instigate |
| fomentar | alentar/to animate, to instigate |
| aumentar | añadir/agregar/to add |
| agregar | aumentar/añadir/to add |
| añadir | aumentar/agregar/to add |
| medicina | droga/farmaco/medicine |
| droga | medicina/farmaco/medicine |
| farmaco | medicina/droga/medicine |
| salir mejor | to do better |
| El hecho que... | the fact that... |
| acabar de | to have just |
| lograr | to achieve |