blinker
noun uk/ˈblɪŋ.kər/ us/ˈblɪŋ.kɚ/
(LIGHT)
[ C ] US（车辆的）转向灯
a light on the outside of a vehicle that turns on and off quickly to show other people you are going to turn in that direction
(HORSE EQUIPMENT)
blinkers [ plural ] UK (US blinders) 马眼罩
two pieces of leather that are put at the side of a horse's eyes so that it can only see forward
He wore blinkers in his first two races.
For his third race, trainer Mark Richardson took off the blinkers.
Blinkers are commonly used because they improve the horse's concentration.
With blinkers on, the horse is less likely to be distracted or bothered by the crowds.
Blinkers are made of leather or plastic and usually attach to the bridle.
Idiom
be wearing blinkersidiom UK (US be wearing blinders) 死脑筋;不知变通
to be able only to see things one way and unwilling or unable to consider other possibilities