running battle
US /ˈrʌnɪŋ ˈbætl/
UK /ˈrʌnɪŋ ˈbætl/

1.
batalla constante, disputa prolongada
a prolonged dispute or conflict, especially one that is intermittent or involves a series of skirmishes
:
•
The company has been engaged in a running battle with its competitors over market share.
La empresa ha estado en una batalla constante con sus competidores por la cuota de mercado.
•
Their marriage was a running battle of wills.
Su matrimonio fue una batalla constante de voluntades.