风云突变 fēngyúntūbiàn sudden change in the situation Definitions Defs Origin Strokes Stroke Words Sentences Sents 风云 風雲 fēngyún unstable situation a volatile or precarious situation; turmoil or sudden changes in political or social events突变 突變 tūbiàn sudden change a sudden or unexpected change; a leap in development; often used in contrast to 渐变 jiànbiàn
