get on like a house on fire - of two or more people, to enjoy one another's company very much from the start and become good friends at once
✨ладить, жить душа в душу
🌟I can't wait for you to meet Mark, I just know the two of you will get on like a house on fire!
clear the air - to remove the bad feelings between people
✨выяснить отношения, прояснить ситуацию
🌟
I had a massive argument with Sue, but at least
it has cleared the air.
be at loggerheads with (one) (over something) - to be in a conflict or dispute with one (over some issue)
✨быть на ножах (с кем-либо), иметь серьёзные разногласия
🌟
Tom is at loggerheads with the other members
over the best way to lead the committee.