a sting in the tailSURPRISEDif a story, event, or announcement has a sting in its tail, there is an unpleasant part at the end of it 〔指故事、事件、声明等的〕使人不快的结尾a sting in the tail• My stories from Lesbos seemed to carry a sting in the tail for both cultures.• An omelette of rumour, speculation and downright lies, with many a sting in the tail.• But there's a sting in the tail.• And there was a sting in the tail, he warned finally.
→ a sting in the tail at sting2(1)