二十四史

Èrshísì Shǐ
  1. the Twenty-Four Histories (25 or 26 in modern editions), collection of books on Chinese dynastic history from 3000 BC till 17th century
  2. fig. a long and complicated story

CEDICT

Entry Composition

1 二十 èrshí twenty; 20
2 四 sì
  1. four
  2. 4
3 史 Shǐ surname Shi