red light
US /ˌred ˈlaɪt/
UK /ˌred ˈlaɪt/

명사
1.
빨간불, 적색등
a signal light that is red, used as a warning or to indicate that a vehicle or pedestrian must stop
예시:
•
The car stopped at the red light.
차는 빨간불에 멈췄다.
•
Don't cross the street when the red light is on.
빨간불일 때는 길을 건너지 마.
2.
빨간불, 경고 신호
a warning or sign of danger or prohibition
예시:
•
The company's declining sales were a red light for investors.
회사의 매출 감소는 투자자들에게 빨간불이었다.
•
His sudden change in behavior was a red light that something was wrong.
그의 갑작스러운 행동 변화는 뭔가 잘못되었다는 빨간불이었다.
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