Warning sign
01
警告标志, 危险标志
a traffic sign that tells drivers about possible danger or changes in the road ahead
例子
The warning sign shows there is a school nearby, so drivers should slow down.
警告标志显示附近有学校，所以司机应该减速。
02
警告标志, 危险信号
something that shows there may be danger, trouble, or a problem ahead
例子
The dark clouds were a warning sign of the coming storm.
乌云是即将到来的风暴的警告信号。
