vs 

QUICK ANSWER
"Siéntense" is a form of "siéntense", a phrase which is often translated as "sit". "Por favor" is a phrase which is often translated as "please". Learn more about the difference between "siéntense" and "por favor" below.
siéntense
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. sit
No hay sillas suficientes; siéntense en el piso.There aren't enough chairs; sit on the floor.
Copyright © 2025 Dictionary Media Group, Inc.
por favor(
pohr
 
fah
-
bohr
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. please
Dame comida, por favor.Give me food, please.
Copyright © 2025 Dictionary Media Group, Inc.