bomb scare
noun🔊/ˈbɒm skeə(r)/
🔊/ˈbɑːm sker/
(also bomb threat especially in North American English)
(British English also bomb alert)
an occasion when somebody says that they have put a bomb somewhere and everyone has to leave the area 炸弹恐吓（声称在某处放置炸弹，所有人都得撤离） The building was evacuated after a bomb scare. 遭到炸弹恐吓后这栋建筑里的人疏散了。