booby trap
noun [ C ] uk/ˈbuː.bi ˌtræp/ us/ˈbuː.bi ˌtræp/
陷阱;（尤指）饵雷
something dangerous, especially a bomb, that is hidden inside somewhere that looks safe
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。