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"That sounds great" is a phrase which is often translated as "qué buena idea", and "thank you" is a phrase which is often translated as "gracias". Learn more about the difference between "that sounds great" and "thank you" below.
that sounds great(
thaht
saunz
greyt
)A phrase is a group of words commonly used together (e.g., once upon a time).
a. qué buena idea
Let's go to the movies and then eat dinner. - That sounds great!Vamos al cine y luego a comer. - ¡Qué buena idea!
b. me parece fantástico
How about going to the coast tomorrow? - That sounds great!¿Qué te parece ir a la costa mañana? - ¡Me parece fantástico!
a. suena muy bien
Listen to this new song I wrote. - That sounds great!Escucha esta nueva canción que escribí. - ¡Suena muy bien!