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

1.
激烈爭吵, 激烈對抗
to argue or fight with a lot of energy and noise
:
•
They were at it hammer and tongs over who should pay the bill.
他們為了誰該付帳單而激烈爭吵。
•
The two teams went at it hammer and tongs for the entire game.
兩支隊伍在整場比賽中都激烈對抗。