为保命 meaning in English

for dear life

Wicked king miraz plans to conquer narnia , forcing the rightful heir prince caspian to flee
弑兄夺位的魔士国王计划完全侵占纳尼亚，迫使前国王的王子加彼恩王子为保命而出逃。
The crime scene was splashed with blood , some of which investigators believed had come from the killer as brow fought for her life
整个作案现场鲜血四溅，案件调查者认为这里面包括了布劳为保命而反抗时，杀手自己留下的血迹。