bad blood
Tension and disdain between two or more people due to past disagreement or transgressions. Last year's brutal playoff series created some bad blood between these two teams. There's bad blood between Elise and Piper, so don't leave them alone together.
there is bad blood between —
there is long-standing hostility between the parties mentioned. 2001 Hugh Collins No Smoke There are occasional square-gos sometimes, but there's no bad blood between rival gangs.