the shirt off someone's back

US /ðə ʃɜrt ɔf ˈsʌm.wʌnz bæk/
UK /ðə ʃɜrt ɔf ˈsʌm.wʌnz bæk/
"the shirt off someone's back" picture
1.

dar a camisa do corpo, ser extremamente generoso

to be extremely generous, to give everything one has

:
He's so kind, he'd give you the shirt off his back if you needed it.
Ele é tão gentil, que te daria a camisa do corpo se você precisasse.
My neighbor is the kind of person who would give you the shirt off their back.
Meu vizinho é o tipo de pessoa que te daria a camisa do corpo.