vs 

QUICK ANSWER
"¡Bah!" is an interjection which is often translated as "Bah!", and "no sé" is a phrase which is often translated as "I don't know". Learn more about the difference between "¡Bah!" and "no sé" below.
¡Bah!(
bah
)
An interjection is a short utterance that expresses emotion, hesitation, or protest (e.g., Wow!).
interjection
a. Bah!
¡Bah! ¡No sé! Mejor preguntémosle.Bah! I don't know. We'd better ask her.
b. Huh!
¡Bah! ¡Qué raro!Huh! That's strange!
c. Oh well!
¡Bah! Si no le interesa venir, ¿qué le vamos a hacer?Oh, well! If she's not interested in coming, what can we do?
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no sé(
noh
 
seh
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. I don't know
No sé si quiero pizza o un sándwich.I don't know if I want pizza or a sandwich.
Copyright © 2025 Dictionary Media Group, Inc.
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