日新月异

日新月異
rìxīnyuèyì
idiom HSK 7 #35,336

Meanings

  1. 1 to change rapidly
  2. 2 to make progress with each passing day
  3. 3 ever-changing

Characters

Literally 'new each day, different each month' — changing rapidly for the better

Examples

Kējì fāzhǎn rìxīnyuèyì.
Technology is developing at a rapid pace.
Zhè zuò chéngshì de miànmào rìxīnyuèyì.
The face of this city is changing with each passing day.

Tips

usage
日新月异 always implies positive change — rapid progress and improvement. It is never used for negative deterioration.
history
Originates from the Classic of Rites (《》): 日日 — 'If you can renew yourself one day, renew yourself daily, always renew.'

Stroke Order

xīn
yuè