Definition
To be willing to make a significant sacrifice or pay a high price in order to obtain something or achieve a goal.
願意付出極大代價（以得到某物）
He would give his right arm to participate in the Olympics.
他願意付出一切來參加奧運會。
I would give my right arm to see her again.
我願意付出一切再見到她。
She said she would give her right arm to get that job.
她說她願意付出一切來得到那份工作。