1. Advice or counsel given by someone without professional expertise, legal training, or formal qualification in a particular field
The lawyer warned against following lay advice when dealing with complex legal matters.
O advogado alertou contra seguir conselhos leigos ao lidar com questões jurídicas complexas.
2. Guidance offered by a non-specialist or amateur, often contrasted with professional or expert opinion
Medical professionals discourage people from relying solely on lay advice for serious health conditions.
Os profissionais médicos desestimulam as pessoas a dependerem apenas de conselhos leigos para condições de saúde graves.