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"Otros" is a form of "otro", an adjective which is often translated as "another". "De una" is a phrase which is often translated as "of a". Learn more about the difference between "otros" and "de una" below.
otro(
oh
-
troh
)
An adjective is a word that describes a noun (e.g., the big dog).
adjective
a. another
A word or phrase that is singular (e.g., el gato).
(singular)
Pásame otra servilleta.Pass me another napkin.
b. other
A word or phrase that is plural (e.g., los libros).
(plural)
Compraron otras galletas.They bought other cookies.
a. another
¿Podría tomar otro trozo de tarta?May I have another piece of cake?
a. next
Al otro día, todo se había olvidado.The next day, all was forgotten.
A pronoun is a word that stands in for a noun (e.g., she).
pronoun
a. another
Mi vestido está manchado pero mi madre me traerá otro.My dress is stained but my mother will bring me another.
b. another one
Desapareció mi bolígrafo pero tengo otro.My pen disappeared but I have another one.
a. another
Acabé mi trozo de pastel; tráeme otro.I finished my cake; bring me another.
b. another one
Ese era tu último cuaderno, ¿te compro otro?That was your last notebook. Should I buy you another one?
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de una(
deh
 
oo
-
nah
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. of a
Juan contó la historia de una mujer que amaba los gatos.Juan told the story of a woman who loved cats.
2.
A very informal word or phrase used by a particular group or community as a substitute for standard language (e.g., joint, john).
(slang)
(absolutely)
Regionalism used in Central America: Guatemala, El Salvador, Honduras, Nicaragua, Costa Rica, and Panama
(Central America)
Regionalism used in South America: Argentina, Bolivia, Chile, Colombia, Ecuador, Paraguay, Peru, Uruguay, and Venezuela
(South America)
a. for sure
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
(colloquial)
No le prestés atención a lo que dicen. - De una. Están celosos.Don't listen to what they say. - For sure. They're just jealous.
b. definitely
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
(colloquial)
Hace mucho calor. Vayamos a la pileta. - De una.It's really hot. Let's go to the pool. - Definitely.
c. of course
¿Querés una birra? - ¡De una!Do you want a beer? - Of course!
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