[shùn xī wàn biàn]
vary from minute to minute; changing all the time; fast changing; instantaneous changes; many changes within a short time; undergoing a myriad of changes in the twinkling of an eye
The objective world is constantly changing.
外面世界是瞬息万变的。
There were so many unpredictable fluctuations on the Stock Exchange.
股票市场瞬息万变。