war to the knife

例句：

1. 1. They fought tothe knife to save their country.
   他们拼死战斗以拯救他们的国家。
2. 2.The soldiers fought to the knife in the battlefield.
   士兵们在战场上拼死战斗。
3. 3. The leader declared that they would fight to the knife for their cause.
   领导人宣布他们将不惜一切代价为事业奋斗。