bad blood

US /bæd blʌd/
UK /bæd blʌd/
"bad blood" picture
1.

確執, 遺恨, 敵意

feelings of hate or anger between people because of arguments in the past

:
There's been bad blood between the two families for generations.
両家には何世代にもわたって確執があった。
After their big argument, there was a lot of bad blood between them.
彼らの大喧嘩の後、彼らの間には多くの確執があった。