ㄎㄞkāiㄊㄨㄛˋtuò

  1. 開發拓展三國志··魏書·》:伏惟陛下皇帝開拓大業皇帝元緒。」開闢開發開墾斥地

to break new ground (for agriculture)​, to open up (a new seam)​, to develop (border regions)​, fig. to open up (new horizons)​
produire, créer de nouveau, faire oeuvre de pionnier