ㄨㄢˋㄇㄚˇㄅㄣㄊㄥˊwànmǎ‑bēnténg

万马奔腾
  1. 形容聲勢浩大場面壯觀形容群情振奮進展迅猛 土石流萬馬奔騰傾瀉轉眼房子淹沒」。

lit. ten thousand stampeding horses (idiom)​, fig. with great momentum, going full speed ahead