red light

• Sinal ou indicação para parar, literalmente (como no trânsito) ou figurativamente (como um aviso para interromper uma ação ou processo).

A signal or indication to stop, either literally (as in traffic) or figuratively (as in a warning sign to halt an action or process).

1. Traffic signalA1formal

   A red-colored traffic light that signals vehicles and pedestrians to stop.

   Sinal vermelho

   • The car stopped at the red light.
   • You must wait until the red light turns green.
   • Running a red light is dangerous and illegal.

2. Prohibition or stop signalB2informal

   A sign or indication that something is not allowed or should be stopped.

   Proibição ou sinal de parada

   • The manager gave the project a red light due to budget issues.
   • The government put a red light on the new construction plans.
   • His parents gave him a red light on going out late.