1. to maintain, support, or defend established levels of quality, behavior, or principles
The company is committed to upholding standards of excellence in customer service.
A empresa está comprometida em manter padrões de excelência no atendimento ao cliente.
2. to sustain or enforce rules, regulations, or moral principles
Teachers must uphold academic standards in their classrooms.
Os professores devem manter os padrões acadêmicos em suas salas de aula.