a hidden bomb that explodes when the object that it is connected to is touched 饵雷;诡雷 Nobody went near the abandoned car in case it was a booby trap. 没有人走近那辆被遗弃的汽车,以防它是个陷阱。 a booby-trap device containing two kilos of explosives 装有两公斤炸药的诱杀装置
a hidden device that is meant as a joke to surprise somebody, for example an object placed above a door so that it will fall on the first person who opens the door (为开玩笑而设下的)陷阱