Like all idioms and sayings, it doesn’t translate perfectly. “Sigo en la lucha,” means, “I’m still in the fight.” (Not to be confused with “Sigo en la ducha,” which would be, “I’m still in the shower”).
When I lived in Argentina. I’d ask, “how are you?” to which many replied, “I’m still in the fight.”
Writing is tough. Sure it’s not football tough, or, construction job tough, or social worker tough. Writing has its own difficulties and challenges. It fatigues my mind and makes me restless. The emotional strength needed to handle criticism, or just friendly advise, is monumental. And finding the time… I don’t time to talk about that!
As writers, let’s “stay in the fight.” One day we will reach our goal. And honestly, even if we don’t, we write because we love to and that’s reward enough.