red light
US /ˌred ˈlaɪt/
UK /ˌred ˈlaɪt/
1.
红灯
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.
汽车在红灯前停了下来。
•
Don't cross the street when the red light is on.
红灯亮时不要过马路。
2.
红灯, 警示
a warning or sign of danger or prohibition
:
•
The company's declining sales were a red light for investors.
公司销售额的下降对投资者来说是一个警示。
•
His sudden change in behavior was a red light that something was wrong.
他行为的突然改变是一个警示，表明出了问题。