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"Bring" is a transitive verb which is often translated as "traer", and "fetch" is a transitive verb which is also often translated as "traer". Learn more about the difference between "bring" and "fetch" below.
bring(
brihng
)A transitive verb is a verb that requires a direct object (e.g., I bought a book.).
2. (to cause)
b. no ser capaz de 
She was so tired she couldn't bring herself to get out of bed.Estaba tan cansada que no era capaz de levantarse de la cama.
4. (to yield)
a. dar 
Good decisions can bring good results quickly.Tomar buenas decisiones puede dar buenos resultados rápidamente.
fetch(
fehch
)A transitive verb is a verb that requires a direct object (e.g., I bought a book.).
a. traer 
Just let me fetch my coat, and then we'll leave.Sólo déjame traer mi abrigo, y ya nos vamos.
b. ir a buscar 
Can you fetch Juanita from the kitchen please?¿Puedes ir a buscar a Juanita en la cocina por favor?
c. recoger 
Janet went to fetch her mother from the airport.Janet fue a recoger a su mamá del aeropuerto.
a. venderse por 
The house would fetch more if it was newly painted.La casa se vendería por más si estuviera recién pintada.
b. alcanzar un precio de 
That painting should fetch more than $40,000.Esa pintura debería alcanzar un precio de más de $40,000.
3. (colloquial) (to deliver)
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
a. dar  (blow, kick)
Jim fetched Calum a blow when he insulted his sister.Jim le dio un golpe a Calum cuando insultó a su hermana.
A noun is a word referring to a person, animal, place, thing, feeling, or idea (e.g., man, dog, house).
4. (game)
a. lanzar la pelota  (verb)
Jack is playing fetch with his dog in the park.Jack está jugando a lanzar la pelota con su perro en el parque.