draw first blood meaning in Chinese

na. 发动初次攻击；〈美〉【体】得第一名

[网络] 旗开得胜；首先进攻

Examples

1. it was legionary titus pullo who drew first blood
   泰特斯?波罗的刀尝到的第一滴血！
2. and lord, i never drew first but i drew first blood
   你不知爱何时已悄悄溜走我开始用心等候