Is when you know you're licked before you begin but you begin anyway and you see it through?

Yes, that describes a situation where you recognize the odds are stacked against you but choose to proceed regardless. It reflects a sense of determination and resilience, embodying the idea of fighting against the inevitable. This mindset can lead to valuable lessons and personal growth, even in the face of failure. Ultimately, it's about the courage to confront challenges, knowing the outcome may not be favorable.