bad blood
US /bæd blʌd/
UK /bæd blʌd/

1.
mala sangre, rencor, enemistad
feelings of hate or anger between people because of arguments in the past
:
•
There's been bad blood between the two families for generations.
Ha habido mala sangre entre las dos familias durante generaciones.
•
After their big argument, there was a lot of bad blood between them.
Después de su gran discusión, hubo mucha mala sangre entre ellos.