1. A journey, path, or course of action that is unclear, enigmatic, or difficult to understand
The detective followed the mysterious path that led through the old mansion.
O detetive seguiu o percurso mysterioso que o levava através da mansão antiga.
2. A sequence of events or experiences that are shrouded in secrecy or obscurity
Her career took a mysterious turn when she disappeared from public life.
A sua carreira tomou um percurso mysterioso quando desapareceu da vida pública.