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"Siéntate" is a form of "sentar", a transitive verb which is often translated as "to sit". "Levántate" is a form of "levántate", a phrase which is often translated as "stand up". Learn more about the difference between "siéntate" and "levántate" below.
sentar(
sehn
-
tahr
)A transitive verb is a verb that requires a direct object (e.g., I bought a book.).
a. to set
Sentamos las bases de la cooperación internacional.We set the foundations for international cooperation.
An intransitive verb is one that does not require a direct object (e.g., The man sneezed.).
4. (food)
a. to agree with
Me gusta el ajo pero no me sienta bien.I like garlic, but it doesn't agree with me.
a. no direct translation
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
No me sentó bien tu actitud. Un poco de respeto, por favor.I don't appreciate your attitude. Show a little respect, please.
Deberías pedirle perdón a tu hermana. Tu comentario no le sentó bien.You should apologize to your sister. Your comment upset her.
sentarse
A reflexive verb is a verb that indicates that the subject performs an action on itself (e.g., Miguel se lava.).
levántate
A phrase is a group of words commonly used together (e.g., once upon a time).
1. (informal) (imperative; second person singular; stand)
A word or phrase used to refer to the second person informal “tú” by their conjugation or implied context (e.g., How are you?).
2. (informal) (imperative; second person singular; leave your bed)
A word or phrase used to refer to the second person informal “tú” by their conjugation or implied context (e.g., How are you?).