ㄈㄚㄧㄤˊㄍㄨㄤㄉㄚˋfāyáng‑guāngdà

发扬光大
  1. 使美好事物更加發展提高日益盛大 儉樸作風應當發揚光大」。

to develop and promote, to carry forward, to bring to great height of development