Translation for "rival-to-be" to spanish

Rival-to-be

• rival-a-ser
• su rival-a-ser

Translation examples

rival-a-ser

Any other rival theories must be squashed, in case they throw us back into chaos again." And I take it there are rival theories?"
Cualquier otra teoría rival debe ser aplastada, en el caso de que amenace con devolvernos al caos.