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"Si" is a form of "si", a conjunction which is often translated as "if". "Me gusta" is a form of "me gusta", a phrase which is often translated as "I like it". Learn more about the difference between "si" and "me gusta" below.
si(
see
)A conjunction is a word that connects words, phrases, clauses, or sentences (e.g., The cat and the dog slept.).
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
me gusta(
meh
goos
-
tah
)A phrase is a group of words commonly used together (e.g., once upon a time).
a. I like him
¿Por qué lo miras así? - Es que me gusta.Why are you looking at him like that? - Because I like him.
b. I like her
Me gusta, es guapa, inteligente y simpática.I like her. She's beautiful, clever, and nice.
c. I like
Me gusta tu hermano, pero no se lo digas, por favor.I like your brother, but don't tell him, please.
3. (formal) (I'm attracted to you; singular)
A word or phrase used to refer to the second person formal “usted” by their conjugation or implied context (e.g., usted).
a. I like you
Usted sabe que me gusta, ¿verdad? Hace tiempo que no me sentía tan atraído por nadie.You know I like you, don't you? It's been a long time since I felt so attracted to anyone.
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
a. like
La foto que colgué en Instagram tiene ya 245 me gusta.The photo I posted on Instagram now has 245 likes.