red light
US /ˌred ˈlaɪt/
UK /ˌred ˈlaɪt/
1.
赤信号, 赤色灯
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.
車は赤信号で止まった。
•
Don't cross the street when the red light is on.
赤信号のときは道を渡らないでください。
2.
赤信号, 警告
a warning or sign of danger or prohibition
:
•
The company's declining sales were a red light for investors.
会社の売上減少は投資家にとって赤信号だった。
•
His sudden change in behavior was a red light that something was wrong.
彼の突然の行動の変化は、何かがおかしいという赤信号だった。