温故知新

参考释义

温故知新[wēngùzhīxīn]

• -reviewwhathasbeenlearnedandlearnsth.new;gainnewinsightsthroughrestudyingoldmaterial;learnthenewbyrestudyingtheold;Reviewingthepasthelpsonetounderstandthepresent.;reviewtheoldandlearnthenew;Reviewthepastandyou'llknowbetterthepresent.;Reviewwhatyouhavelearnedandknowwhatisnew.;Reviewwhatyouhavelearntinordertolearnsth.new.:

  “Thosewholearnthenewbyrestudyingtheoldmaybeteachers.”“温故知新，可以为师矣。”