bloodless

1. ADJ A bloodless coup or victory is one in which nobody is killed. (政变或胜利)不流血的; 无伤亡的[ADV with v]

Reports from the area indicate that it was a bloodless coup. 发自该地区的各种报道表明这是一场不流血的政变。

The campaign would be short and relatively bloodless. 这场战役将速战速决，相对无伤亡。

2. bloodlesslyADV

This war had to be fought fast and relatively bloodlessly. 这场战争必须速战速决，基本做到兵不血刃。

3. ADJ If you describe someone's face or skin as bloodless, you mean that it is very pale. 面无血色的; 苍白的

Her face was grey and bloodless. 她脸色灰暗毫无血色。