人生七十古來稀

人生七十古来稀
rénshēngqīshígǔláixī

it is rare for a person to live to seventy

Wiktionary

Entry Composition

1 人生 rénshēng life (one's time on earth)
2 七十 qīshí
  1. seventy
  2. 70
3 古來 gǔlái since ancient times; it has ever been the case that
4 稀 xī
  1. sparse; scattered
  2. rare; uncommon
  3. diluted; thin; watery
  4. (bound form) sth liquid or of thin consistency (as in 綠豆稀 lu:dòuxī "sweet mung bean soup")
  5. (bound form) totally; extremely (used with negative attributes, as in 稀糟 xīzāo "utterly ruined")