1. Approaches, techniques, or procedures that do not meet established standards of professional conduct, ethics, or competence in a particular field or industry
The lawyer was criticized for using unprofessional methods in handling the case.
O advogado foi criticado por usar métodos não profissionais no tratamento do caso.
2. Practices that violate professional codes of conduct or industry best practices
The company was fined for unprofessional methods in their customer service operations.
A empresa foi multada por métodos não profissionais em suas operações de atendimento ao cliente.