be out for somebody’s blood
US /bi aʊt fɔr ˈsʌm.bə.diz blʌd/
UK /bi aʊt fɔr ˈsʌm.bə.diz blʌd/

1.
对某人非常愤怒, 想惩罚某人
to be very angry with someone and want to punish them
:
•
After he lost the game, the coach was out for his team's blood.
输掉比赛后,教练对他的队员们非常愤怒。
•
The boss was out for blood after the disastrous presentation.
那场灾难性的演示之后,老板怒不可遏。