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"Thank you very much" is a phrase which is often translated as "muchas gracias", and "my brother" is a phrase which is often translated as "mi hermano". Learn more about the difference between "thank you very much" and "my brother" below.
thank you very much(   
thahngk
yu
veh
-
ri
muhch
)A phrase is a group of words commonly used together (e.g., once upon a time).
1. (general)
b. muchísimas gracias 
Thank you very much for coming to my show.Muchísimas gracias por venir a mi show.
my brother( 
may
bruh
-
thuhr
)A phrase is a group of words commonly used together (e.g., once upon a time).
1. (relative)