ˋㄏㄨㄅㄞˇㄋㄨㄛˋyìhū‑bǎinuò

一呼百诺
yīhū‑bǎinuòㄧ ㄏㄨ ㄅㄞˇ ㄋㄨㄛˋ
  1. 一人呼喚應和 慈善活動往往一呼百諾眾人響應」。

one command brings a hundred responses (idiom)​; having hundreds of attendants at one's beck and call