red light
US /ˌred ˈlaɪt/
UK /ˌred ˈlaɪt/
1.
紅燈
a signal light that is red, used as a warning or to indicate that a vehicle or pedestrian must stop
:
•
The car stopped at the red light.
汽車在紅燈前停了下來。
•
Don't cross the street when the red light is on.
紅燈亮時不要過馬路。
2.
紅燈, 警示
a warning or sign of danger or prohibition
:
•
The company's declining sales were a red light for investors.
公司銷售額的下降對投資者來說是一個警示。
•
His sudden change in behavior was a red light that something was wrong.
他行為的突然改變是一個警示，表明出了問題。