be in someone's blood
US /bi ɪn ˈsʌm.wʌnz blʌd/
UK /bi ɪn ˈsʌm.wʌnz blʌd/

1.
estar no sangue de alguém, ser inato
if an ability or quality is in someone's blood, they have it naturally, often because other members of their family also have it
:
•
Music really seems to be in his blood; his whole family are musicians.
A música realmente parece estar no sangue dele; toda a sua família é de músicos.
•
She's a natural leader; it must be in her blood.
Ela é uma líder nata; deve estar no sangue dela.