duke it out

US /duːk ɪt aʊt/
UK /duːk ɪt aʊt/
"duke it out" picture
1.

bertarung, berkompetisi

to fight or compete to resolve a dispute or determine a winner

:
The two rivals decided to duke it out in the final round.
Kedua rival memutuskan untuk bertarung di babak final.
Let's just duke it out and see who's right.
Mari kita bertarung saja dan lihat siapa yang benar.