give (someone) half a chance

Translations
дать (кому-то) полшанса
She would travel the world if you gave her half a chance.
Она бы путешествовала по миру, если бы ты дал ей полшанса.
Definitions
To give someone even a small opportunity or the slightest possibility to do something, often implying that they will succeed or take action if allowed the chance.