someone's blood is up

US /ˈsʌm.wʌnz blʌd ɪz ʌp/
UK /ˈsʌm.wʌnz blʌd ɪz ʌp/
"someone's blood is up" picture
1.

怒火中燒, 非常生氣

someone is very angry or excited

:
When he heard the news, his blood was up and he started shouting.
當他聽到這個消息時,他怒火中燒,開始大喊大叫。
Don't say anything to him now, his blood is really up.
現在別跟他說什麼,他真的怒火中燒