1. A person or thing that serves as an inspiration, model, or source of guidance and direction
His mentor was the guiding light throughout his career.
Seu mentor foi a luz guia durante toda a sua carreira.
2. A literal light that guides someone's way, especially a beacon or lighthouse
The lighthouse served as a guiding light for ships at sea.
O farol serviu como uma luz guia para os navios no mar.
3. A fundamental principle or value that directs someone's actions and decisions
Integrity has been her guiding light in all business dealings.
A integridade foi sua luz guia em todos os negócios.