日新月异

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

CEDICT

Entry Composition

1 日新 rìxīn in constant progress
2 月 yuè
  1. moon
  2. month
  3. monthly

classifiers: 個, 輪
3 异 yì
  1. different
  2. other
  3. hetero-
  4. unusual
  5. strange
  6. surprising
  7. to distinguish
  8. to separate
  9. to discriminate