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

1.
dalam darah seseorang, semula jadi
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.
Muzik nampaknya benar-benar dalam darahnya; seluruh keluarganya adalah pemuzik.
•
She's a natural leader; it must be in her blood.
Dia seorang pemimpin semula jadi; ia pasti dalam darahnya.