日新月異 rì xīn yuè yì

DEFINITIONS

  1. daily renewal, monthly change (idiom)
  2. every day sees new developments
  3. rapid progress

CHARACTERS

日 rì
HSK 2
sun; day; daytime
新 xīn
HSK 2
new, recent, fresh, modern
月 yuè
HSK 1
moon; month; KangXi radical 74
異 yì different, unusual, strange