At loggerheads
Meaning: In strong disagreement, in a quarrel, at an impasse. If two people or groups are at loggerheads, they disagree strongly about something.
Example: He is at loggerheads with the Prime Minister over public spending. John and Richard are at loggerheads about what would be a fair price for the car. They really are at loggerheads.
Example: He is at loggerheads with the Prime Minister over public spending. John and Richard are at loggerheads about what would be a fair price for the car. They really are at loggerheads.