vs 

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"You are the best" is a phrase which is often translated as "eres el mejor", and "thank you" is a phrase which is often translated as "gracias". Learn more about the difference between "you are the best" and "thank you" below.
you are the best(
yu
 
ar
 
thuh
 
behst
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. eres el mejor
A word or phrase used to refer to the second person informal “tú” by their conjugation or implied context (e.g., How are you?).
(informal)
A word or phrase that is singular (e.g., el gato).
(singular)
(masculine)
Ben, you are the best soccer player that I know.Ben, eres el mejor futbolista que conozco.
b. eres la mejor
A word or phrase used to refer to the second person informal “tú” by their conjugation or implied context (e.g., How are you?).
(informal)
A word or phrase that is singular (e.g., el gato).
(singular)
(feminine)
Thank you for helping me with my homework, Jenna. You are the best!Gracias por ayudarme con la tarea, Jenna. ¡Eres la mejor!
a. son los mejores
A word or phrase that is plural (e.g., los libros).
(plural)
I can't thank you enough, guys! You are the best!¡Realmente se lo agradezco, chicos! ¡Son los mejores!
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thank you(
thahngk
 
yu
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. gracias
Thank you for the flowers.Gracias por las flores.
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