vs 

QUICK ANSWER
"Hay que" is a phrase which is often translated as "one must", and "deber que" is a phrase which is often translated as "duty that". Learn more about the difference between "hay que" and "deber que" below.
hay que(
ay
 
keh
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. one must
Hay que ser valiente de cara al mal.One must be brave in the face of evil.
b.
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
no direct translation
Hay que llenar la solicitud a mano.The application must be filled out by hand.
Hay que trabajar mucho para ser exitoso.You have to work hard to be successful.
Copyright © 2025 Dictionary Media Group, Inc.
deber que(
deh
-
behr
 
keh
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. duty that
Nunca debemos olvidar el deber que tenemos los unos con los otros como seres humanos.We must never forget the duty that we have to each other as human beings
Copyright © 2025 Dictionary Media Group, Inc.