1. An ability or talent that is hidden, not openly displayed, or kept secret
She has a concealed skill in playing the violin that few people know about.
Ela tem uma habilidade oculta em tocar violino que poucas pessoas conhecem.
2. A competency that is deliberately or inadvertently not revealed or demonstrated in public
His concealed skill with languages became apparent when he started translating documents.
Sua habilidade oculta com idiomas ficou aparente quando ele começou a traduzir documentos.