booby trap

Từ điển Oxford Advanced Learner 8th

ˈbooby trap [booby trap booby traps] BrE NAmE noun
1. a hidden bomb that explodes when the object that it is connected to is touched
•Nobody went near the abandoned car in case it was a booby trap.
•a booby-trap device containing two kilos of explosives
2. a hidden device that is meant as a joke to surprise sb, for example an object placed above a door so that it will fall on the first person who opens the door

• Từ đồng nghĩa / Synonyms:
  pitfall, land mine, ground-emplaced mine