be after someone's blood

US /bi ˈæftər ˈsʌmˌwʌnz blʌd/
UK /bi ˈæftər ˈsʌmˌwʌnz blʌd/
"be after someone's blood" picture
1.

〜に激怒している, 〜に復讐したがっている

to be very angry with someone and want to punish them

:
After he crashed her car, she was really after his blood.
彼が彼女の車をぶつけた後、彼女は本当に彼に復讐したがっていた
The boss will be after your blood if you don't finish this report on time.
このレポートを時間通りに終えなければ、上司は君に激怒するだろう