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"A las dos" is a phrase which is often translated as "at two", and "cuarto" is an adjective which is often translated as "fourth". Learn more about the difference between "a las dos" and "cuarto" below.
a las dos(
ah
lahs
dohs
)A phrase is a group of words commonly used together (e.g., once upon a time).
a. at two
La gente en España suele almorzar a las dos o a las tres.People in Spain have lunch at two or three.
b. at two o'clock
Su tren sale a las dos del andén número 12.Your train leaves from platform 12 at two o'clock.
cuarto, el cuarto(
kwahr
-
toh
)An adjective is a word that describes a noun (e.g., the big dog).
a. fourth
Entra al edificio y toma el ascensor al cuarto piso.Enter the building and take the elevator to the fourth floor.
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).