Daily Chinese Idiom Guessing Game
To fight a bloody battle with great courage and determination.
形容顽强地拼死战斗。
杜鹏程《保卫延安》第六章一战士们在这十五昼十五夜中，不是浴血奋战就是急行军转移。”
The soldiers were determined to fight to the end, bathing in blood if needed.