out for sb.'s blood

例句：

1. 1. He was out for someone's blood, and now he's in jail.
   他为了某人的鲜血而入狱。
2. 2. She was out for someone'sblood, but she didn't expectto be caught.
   她为了某人的鲜血，但没想到会被抓住。
3. 3. The policewere out for someone's blood, and they foundthe killer soon after.
   警方为了某人的鲜血，很快就找到了凶手。