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"Ella" is a pronoun which is often translated as "she", and "sin duda" is a phrase which is often translated as "without a doubt". Learn more about the difference between "ella" and "sin duda" below.
ella(
eh
-
yah
)
A pronoun is a word that stands in for a noun (e.g., she).
pronoun
a. she (subject)
Ella publicó un libro acerca de la epidemiología.She published a book about epidemiology.
b. her (object)
Voy a hablar con ella para ver si nos puede aconsejar.I'm going to talk to her and see if she can advise us.
c. it (things or animals)
Esa es mi casa. Detrás de ella hay un garaje.That's my house. Behind it, there's a garage.
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sin duda(
seen
 
doo
-
dah
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. without a doubt
Ella es, sin duda, una de las pintoras más originales de nuestro tiempo.She is, without a doubt, one of the most original painters of our time.
b. without any doubt
Su novio es, sin duda, el más bello de todos.Her boyfriend is, without any doubt, the handsomest of them all.
c. undoubtedly
Este será, sin duda, un año de importantes cambios políticos.This will undoubtedly be a year of important political changes.
d. no doubt
Sin duda cambiará de idea.No doubt she'll change her mind.
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