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"Much better" is an adjective which is often translated as "mucho mejor", and "yes" is an interjection which is often translated as "sí". Learn more about the difference between "much better" and "yes" below.
much better(
muhch
beh
-
duhr
)An adjective is a word that describes a noun (e.g., the big dog).
a. mucho mejor
Your coat is much better for cold weather than mine.Tu abrigo es mucho mejor para el clima frío que el mío.
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
a. mucho mejor
You're going to have to behave much better than that if you want dessert.Tendrás que comportarte mucho mejor que eso si quieres postre.
yes(
yehs
)An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
An interjection is a short utterance that expresses emotion, hesitation, or protest (e.g., Wow!).
A noun is a word referring to a person, animal, place, thing, feeling, or idea (e.g., man, dog, house).