1. Extensive and thorough knowledge or skill in a particular subject or field, acquired through long experience and study
She has deep expertise in artificial intelligence and machine learning.
Ela possui expertise profunda em inteligência artificial e aprendizado de máquina.
2. A high level of specialized competence that goes beyond surface-level understanding
His deep expertise in corporate law made him invaluable to the firm.
Sua expertise profunda em direito corporativo o tornou inestimável para o escritório.