1. The act of overseeing or monitoring the work, progress, or conduct of a person or group
The manager is supervising the new employees during their training.
O gerente está supervisionando os novos funcionários durante o treinamento.
2. To watch over and direct the performance of a task or project
She is supervising the construction project to ensure quality standards.
Ela está supervisionando o projeto de construção para garantir padrões de qualidade.