放空炮 [－－－]

Jyutping fong3 hung1 paau3
Pinyin fàng kōng pào

Definitions (CC-CEDICT)
  1. (lit.) to fire blank shots
  2. (fig.) to be all talk and no action
  3. to shoot one's mouth off
  4. to make empty promises
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）