[天有不测风云,人有旦夕祸福 / 天有不測風雲,人有旦夕禍福, tiān yǒu bù cè fēng yún, rén yǒu dàn xī huò fú, ㄊㄧㄢ ㄧㄡˇ ㄅㄨˋ ㄘㄜˋ ㄈㄥ ㄩㄣˊ, ㄖㄣˊ ㄧㄡˇ ㄉㄢˋ ㄒㄧ ㄏㄨㄛˋ ㄈㄨˊ]fortune as unpredictable as the weather, every day may bring fortune or calamity (成语 saw); sth unexpected may happen at any moment[Add to Longdo]