fight it out
Upper Intermediate (B2) informal
To solve a disagreement or decide a winner by fighting or competing until someone wins.
"The two candidates were left to fight it out in the final debate."
Hear it in context
Is the war in Iran over? #shorts
Vox · 1:13
fight it out.
This Roman ritual made conquered kings beg to die | Mary Beard
Big Think · 16:12
Julius Caesar and Pompy fight it out in the 40s