形容詞 bloody-minded:

1. stubbornly obstructive and unwilling to cooperate- Spectator
   同義詞：cantankerous
2. marked by eagerness to resort to violence and bloodshed-G.W.Johnson
   同義詞：bloodthirsty, sanguinary

1. Everybody else accepts the decision. Why must you be so bloody-minded?
   別人都同意這個決議，你為甚麼偏要故意刁難？

blood.y-mind.ed

adj.（形容詞）
Ready and willing to accept bloodshed or to resort to violence:
兇暴的，殘忍的：愿接受和樂見殺戳或暴力攻擊的：
例句：
.forging alliances with bloody-minded tyrants.(Lewis H. Lapham)
.和殘暴的人結成聯(lián)盟.(劉易斯H.拉伯姆)

Chiefly British Perversely cantankerous:
【多用于英國】 故意作對的，專愛唱反調的：
例句：
.The . . . unions . . . have never been as bloody-minded about demarcation as the shipbuilders.(Spectator)
.工會…從來沒有人在劃界問題上和造船工人一樣蠻不講理.(目擊者)

【引伸】
blood.y-mind.edness
n.（名詞）