1. A path, route, or method that was previously known or used but has been abandoned or is no longer remembered
We discovered an old forgotten shortcut through the woods that our grandparents used to take.
Descobrimos um atalho esquecido pela floresta que nossos avós costumavam usar.
2. Figuratively, a neglected or abandoned solution, method, or approach that could still be useful
Sometimes the forgotten shortcut to success is simply hard work and patience.
Às vezes, o atalho esquecido para o sucesso é simplesmente trabalho duro e paciência.