to wigwag
01
按照代码挥动旗帜或灯光发出信号, 用旗帜或灯光发信号
signal by or as if by a flag or light waved according to a code
02
摇摆, 挥动
to signal with a swinging motion, resembling the motion of a flag
例子
The crossing guard wigwagged his arms to signal drivers to stop.
交通协管员挥舞手臂示意司机停车。
The aircraft marshaller wigwagged the wands to guide the plane to its parking spot.
飞机引导员摆动指挥棒将飞机引导至其停机位。
