Definition
To engage in an activity, especially an argument or fight, with great energy and intensity.
激烈爭論（打鬥）
They were going at it hammer and tongs over the direction of the new project.
他們就新項目的方向展開了激烈的討論。
The two candidates went at it hammer and tongs during the debate.
兩位候選人在辯論中激烈交鋒。
The children often go at it hammer and tongs when playing games.
孩子們玩遊戲時常常玩得很激烈。