have nothing to lose
US /hæv ˈnʌθɪŋ tu luːz/
UK /hæv ˈnʌθɪŋ tu luːz/

1.
não ter nada a perder
to be in a situation where you cannot make things worse by trying to achieve something, so you should try
:
•
I decided to apply for the scholarship; I have nothing to lose.
Decidi me candidatar à bolsa; eu não tenho nada a perder.
•
Go ahead and ask her out. You have nothing to lose.
Vá em frente e a convide para sair. Você não tem nada a perder.