be/go at it hammer and tongs
US /biːt əˈraʊnd ðə bʊʃ/
UK /biːt əˈraʊnd ðə bʊʃ/

1.
litigare furiosamente, affrontarsi con veemenza
to argue or fight with a lot of energy and noise
:
•
They were at it hammer and tongs over who should pay the bill.
Erano a martello e tenaglie su chi dovesse pagare il conto.
•
The two teams went at it hammer and tongs for the entire game.
Le due squadre si sono affrontate a martello e tenaglie per tutta la partita.