not someone's cup of tea
US /nɑt ˈsʌm.wʌnz kʌp əv tiː/
UK /nɑt ˈsʌm.wʌnz kʌp əv tiː/

1.
no ser del agrado de alguien, no ser lo suyo
not what someone likes or is interested in
:
•
Classical music is really not my cup of tea.
La música clásica realmente no es lo mío.
•
Hiking in the mountains is not his cup of tea; he prefers relaxing on the beach.
Hacer senderismo en las montañas no es lo suyo; prefiere relajarse en la playa.