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

1.
mengalir dalam darah, bakat alami
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.
Musik sepertinya benar-benar mengalir dalam darahnya; seluruh keluarganya adalah musisi.
•
She's a natural leader; it must be in her blood.
Dia pemimpin alami; itu pasti mengalir dalam darahnya.