something dangerous, especially a bomb, that is hidden inside somewhere that looks safe陷阱;(尤指)饵雷
The bodyguard was killed while checking the president's car for booby traps.保镖在检查总统专车有无饵雷时被炸身亡。
a booby-trap bomb饵雷
They put a bucket of water on top of his door as a booby trap.他们在他的门上方放了一桶水捉弄他。