瞬息万变 shùnxīwànbiàn fast-changing Origin Definitions Defs Strokes Stroke Words Sentences Sents 瞬息 shùnxī in a flash a very short period of time; in the twinkling of an eye; ephemeral万 萬 wàn nounadjective countless myriad; multitudinous; a great number变 變 biàn verb to change to change; to become different; to transform into something else