知人论世

Explanation: Originally referred to a person to understand and study the background of his time. Also refers to the identification of the characters are good or bad, things debate the pros and cons. 　　Usage: Joint type; as predicate; that distinguish good and bad characters 　　Source: "Mencius million in the next chapter," Ode to the poem, read the book, I do not know the person or Down? Is also of the world. " 　　Examples: But if a writer to study literature or the so-called ~ ", then, enough of this very rare _select_ed applications. ★ Lu Xun" 且介亭杂文 second _set_ of questions determined "grass"