duke it out
US /duːk ɪt aʊt/
UK /duːk ɪt aʊt/

成语
1.
一决高下, 打一架
to fight or compete to resolve a dispute or determine a winner
示例:
•
The two rivals decided to duke it out in the final round.
两位对手决定在最后一轮一决高下。
•
Let's just duke it out and see who's right.
我们来一决胜负,看看谁是对的。
在 Lingoland 学习这个单词