1. An area or region where there is a high risk of harm, injury, or threat to safety
The construction site is a dangerous zone; only authorized personnel are allowed.
O canteiro de obras é uma zona perigosa; apenas pessoal autorizado é permitido.
2. A location with potential hazards such as unstable structures, toxic substances, or criminal activity
The abandoned building is considered a dangerous zone due to structural instability.
O edifício abandonado é considerado uma zona perigosa devido à instabilidade estrutural.
3. In sports, a critical area of play where risk of injury is elevated
The goalkeeper must be alert when defending the dangerous zone near the goal.
O goleiro deve estar alerta ao defender a zona perigosa perto do gol.