to be in a situation which is almost certain to cause a disagreement or argument
be on a collision course (with sb / sth)
to be in a situation which is almost certain to cause a disagreement or argument
I was on a collision course with my boss over the sales figures.
be on a collision course (with sb / sth)
to be moving in a direction in which it is likely that you will crash into sb / sth
A giant iceberg was on a collision course with the ship.
Definiciones del Oxford Advanced Learner's Dictionary, 9.ª edición