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"Please" is an interjection which is often translated as "por favor", and "be quiet" is a phrase which is often translated as "guarda silencio". Learn more about the difference between "please" and "be quiet" below.
please(
pliz
)An interjection is a short utterance that expresses emotion, hesitation, or protest (e.g., Wow!).
a. por Dios
Could you just stop talking for a second, please!¡Por Dios! ¿Puedes dejar de hablar por un momento?
An intransitive verb is one that does not require a direct object (e.g., The man sneezed.).
3. (to prefer)
A transitive verb is a verb that requires a direct object (e.g., I bought a book.).
4. (to satisfy)
a. complacer
You're constantly trying to please people. Don't you get tired of it?Siempre estás intentando complacer a la gente. ¿No te cansas?
be quiet(
bi
kway
-
iht
)A phrase is a group of words commonly used together (e.g., once upon a time).
a. guarda silencio (informal) (singular)
A word or phrase used to refer to the second person informal “tú” by their conjugation or implied context (e.g., How are you?).
Be quiet! The principal's coming.¡Guarda silencio! Viene el director.
b. guarde silencio (formal) (singular)
A word or phrase used to refer to the second person formal “usted” by their conjugation or implied context (e.g., usted).
Where's my popcorn? - Be quiet, Grandma. The show is about to start.¿Dónde están mis palomitas? - Guarde silencio, abuela. La función está a punto de empezar.
c. cállate (informal) (singular)
A word or phrase used to refer to the second person informal “tú” by their conjugation or implied context (e.g., How are you?).
Be quiet already! The movie is starting.¡Cállate ya! Está por empezar la película.
d. cállese (formal) (singular)
A word or phrase used to refer to the second person formal “usted” by their conjugation or implied context (e.g., usted).
Please be quiet, sir. If the rebels hear us, we're done for.Por favor, cállese, señor. Si los insurgentes nos escuchan, estamos perdidos.
a. guarden silencio (plural)
Children, be quiet. I will now pass out your exams.Niños, guarden silencio. Ya voy a repartir los exámenes.
An intransitive verb phrase is a phrase that combines a verb with a preposition or other particle and does not require a direct object (e.g., Everybody please stand up.).