天有不测风云 tiānyǒubùcèfēngyún unexpected things happen Origin Definitions Defs Strokes Stroke Words Sentences Sents 天有不测风云，人有旦夕祸福 tiānyǒubùcèfēngyúnrényǒudànxīhuòfú anything can happen Fortune is as unpredictable as the weather, and every day may bring luck or disaster; used to express that something unexpected may happen at any moment.