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QUICK ANSWER
"¿Sabes qué?" is a phrase which is often translated as "You know what?", and "y" is a conjunction which is often translated as "and". Learn more about the difference between "¿Sabes qué?" and "y" below.
¿Sabes qué?(
sah
-
behs
 
keh
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
1.
A word or phrase used to refer to the second person informal “tú” by their conjugation or implied context (e.g., How are you?).
(informal)
(general)
a. You know what?
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
(colloquial)
¿Sabes qué? Mejor regresamos porque se está haciendo de noche.You know what? I think we should go back because it's getting dark.
b. You know something?
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
(colloquial)
¿Sabes qué? A mí me gusta. Es una persona honrada.You know something? I like him. He's an honorable person.
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y(
ee
)
A conjunction is a word that connects words, phrases, clauses, or sentences (e.g., The cat and the dog slept.).
conjunction
a. and
Quiero una pizza y un refresco.I want a pizza and a soft drink.
a. and
No tiene dinero y rechaza trabajos.He has no money and refuses to work.
a. and
El perro ladraba y ladraba.The dog was barking and barking.
a.
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
no direct translation
¿Y Juan dónde está?So, where is Juan?
¿Y cuál es el problema?What is the problem?
A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
feminine noun
a. y
¿"Jenny" termina en y o en i?Does "Jenny" end with a y or an i?
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