温故知新
      Explanation: Temperature study; old friends of the. Review old knowledge, get a new understanding and experience. Also refers to the memories of the past, to better understand the present.
      Usage: -Linked; as the predicate attribute; for study, work or other
      Source: "Analects," Reviewing the Old, to be a teacher. "Han Ban Gu" East Du Fu, "and learn new things has been difficult, with knowledge of fresh German who carry on."
      Examples: ~ Is an important method of learning.
  • Thesaurus:  Yikusitian