1. A path, route, or way that has not been traveled or investigated before; a completely new or uncharted direction
The explorers set out to discover new trilhos inexplorados in the Amazon rainforest.
Os exploradores saíram para descobrir novos trilhos inexplorados na floresta amazônica.
2. Figuratively, a new area of knowledge, opportunity, or endeavor that remains untapped or undeveloped
His research opened trilhos inexplorados in quantum physics.
Sua pesquisa abriu trilhos inexplorados na física quântica.