蓄勢待發 [－势－发]

Jyutping cuk1 sai3 doi6 faat3
Pinyin xù shì dài fā

Definitions (CC-CEDICT)
  1. to wait for action after having accumulated power, energy etc
Definitions (粵典–words.hk)
  1. 語句
    形容​準備​好​可以​開始
    ready to start