someone's (own) flesh and blood

US /ˈsʌm.wʌnz oʊn flɛʃ ænd blʌd/
UK /ˈsʌm.wʌnz oʊn flɛʃ ænd blʌd/
"someone's (own) flesh and blood" picture
1.

亲骨肉, 至亲

a person's close relatives, especially their children

:
How could you treat your own flesh and blood like that?
你怎么能那样对待你的亲骨肉
She would do anything for her flesh and blood.
她会为她的亲骨肉做任何事。