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"I don't understand" is a form of "I don't understand", a phrase which is often translated as "no entiendo". "Sorry" is a form of "sorry", an adjective which is often translated as "arrepentido". Learn more about the difference between "I don't understand" and "sorry" below.
I don't understand(
ay
 
dont
 
uhn
-
duhr
-
stahnd
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. no entiendo
I don't understand what you're saying.No entiendo lo que me dices.
I don't understand. What happened?Yo no entiendo. ¿Qué fue lo que pasó?
b. no comprendo
I don't understand the question.No comprendo la pregunta.
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sorry(
sa
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ri
)
An adjective is a word that describes a noun (e.g., the big dog).
adjective
a. arrepentido
She said she was sorry she didn't invite me to the wedding.Dijo que estaba arrepentida de no haberme invitado a la boda.
a. lamentable
Her ex-boyfriend left her in such a sorry state.Su ex-novio la dejó un estado lamentable.
An interjection is a short utterance that expresses emotion, hesitation, or protest (e.g., Wow!).
interjection
a. lo siento
Sorry! I didn't mean to bump you.¡Lo siento! No fue mi intención chocar contra ti.
b. perdón
I wish I could talk, but I'm late to a meeting. Sorry!Me gustaría poder hablar, pero estoy llegando tarde a una reunión. ¡Perdón!
c. disculpa
A word or phrase used to refer to the second person informal “tú” by their conjugation or implied context (e.g., How are you?).
(informal)
Sorry! I didn't realize this seat was taken.¡Disculpa! No sabía que este asiento estaba ocupado.
d. disculpe
A word or phrase used to refer to the second person formal “usted” by their conjugation or implied context (e.g., usted).
(formal)
Sorry! I didn't mean any offense.¡Disculpe! No pretendía ofenderle.
a. perdona
A word or phrase used to refer to the second person informal “tú” by their conjugation or implied context (e.g., How are you?).
(informal)
Sorry, but I don't agree with you.Perdona, pero no estoy de acuerdo contigo.
b. perdone
A word or phrase used to refer to the second person formal “usted” by their conjugation or implied context (e.g., usted).
(formal)
Sorry, but I think you're misinformed.Perdone, pero creo que le han desinformado.
a. perdón
Sorry? I didn't catch what you just said.¿Perdón? No oí lo que acabas de decir.
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