振臂一呼 [－－－－]

Jyutping zan3 bei3 jat1 fu1
Pinyin zhèn bì yī hū

Definitions (CC-CEDICT)
  1. (idiom) to issue a call for action; to raise one's hand and issue a rousing call
Definitions (Wiktionary)
  1. phrase, idiomatic
    to raise one's arm and cry out to rally people
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）