成语名称:祸在旦夕:成语近义: 祸在朝夕(huò zài zhāo xī):夕:晚上;朝夕:比喻短时间。指祸患来临在即。成语反义: 洪福齐天(hóng fú qí tiān):洪福:大福。指福气和天一样高大。旧时称颂人福气大。祸福相倚 避祸...