一寸光阴一寸金
yī​cùn​guāng​yīn​yī​cùn​jīn

time is precious

  1. 一 yī numeral
    one
    one; the number 1; single; alone
  2. 寸 cùn noun
    cun
    Traditional Chinese unit of length, equivalent to one-third of a decimeter (approximately 3.33 cm); also known as the Chinese inch.
  3. 光阴 光陰 guāng​yīn noun
    time
    time available; time as it passes
  4. 一 yī numeral
    one
    one; the number 1; single; alone
  5. 寸 cùn noun
    cun
    Traditional Chinese unit of length, equivalent to one-third of a decimeter (approximately 3.33 cm); also known as the Chinese inch.
  6. 金 jīn noun
    gold
    gold; the chemical element Au; specifically 金子 jīn​zi or 黄金 huáng​jīn