Definition
This phrase is used to express that someone is determined to achieve their goal, no matter the obstacles or risks.
不达目的、誓不罢休
He is determined to complete this mission, or die in the attempt.
他决心完成这项任务，要不惜一切代价。
She is determined to get into that university, or die in the attempt.
她决心要进入那所大学，要不惜一切代价。
They vowed to find the lost treasure, or die in the attempt.
他们发誓要找到失落的宝藏，要不惜一切代价。