red zone

US /ˈred zoʊn/
UK /ˈred zoʊn/
"red zone" picture
1.

an area of a sports field, especially in American football, that is close to the opponent's goal line and where scoring is more likely

:
The offense moved the ball into the red zone, hoping to score a touchdown.
Our team struggled to convert opportunities once they reached the red zone.
2.

a critical or dangerous area or situation

:
The company's finances are entering the red zone, requiring immediate action.
The patient's vital signs are in the red zone, indicating a critical condition.