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"I guess" is a form of "guess", a transitive verb which is often translated as "adivinar". "Sure" is an adjective which is often translated as "seguro". Learn more about the difference between "sure" and "I guess" below.
sure(
shuhr
)An adjective is a word that describes a noun (e.g., the big dog).
1. (certain)
a. seguro
Are you sure that you want to eat another donut?¿Estás seguro de que quieras comer otra dona?
2. (confident)
a. seguro
Michael Jordan stepped onto the court, sure that he could beat Karl Malone.Michael Jordan entró a la cancha, seguro que podría vencer a Karl Malone.
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
3. (certainly)
An interjection is a short utterance that expresses emotion, hesitation, or protest (e.g., Wow!).
4. (of course)
guess(
gehs
)A transitive verb is a verb that requires a direct object (e.g., I bought a book.).
2. (to suppose)
a. calcular
I don't know how long is the journey. I'd guess it's two hours.No sé cuánto dura el viaje. Calculo que dos horas.
An intransitive verb is one that does not require a direct object (e.g., The man sneezed.).
A noun is a word referring to a person, animal, place, thing, feeling, or idea (e.g., man, dog, house).
5. (estimate)
a. la suposición (F)
(f) means that a noun is feminine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
My guess was wrong as they arrived at three o'clock.Mi suposición fue incorrecta ya que llegaron a las tres.
b. no direct translation
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
How many jellybeans do you think are in the jar? Take a guess!¿Cuántas gominas crees que hay en el frasco? ¡Adivina!
The students made lots of guesses but could not get the answer.Los estudiantes adivinaron muchas veces, pero no acertaron la respuesta.