ㄈㄤfāngㄒㄧㄥxīngㄨㄟˋwèiˋài

  1. 正在蓬勃發展·陳亮〉:連歲為公不果方興未艾。」未艾方興」。方興日盛蒸蒸日上日暮途窮一蹶不振

flourishing and still in the ascendant (idiom)​; rapidly expanding, still growing strong, on the up
ascendant