拿著雞毛當令箭 [－着鸡－当－－]

Jyutping naa4 zoek6 gai1 mou4 dong3 ling6 zin3
Pinyin ná zhe jī máo dàng lìng jiàn

Definitions (CC-CEDICT)
  1. to wave a chicken feather as a token of authority (idiom); to assume unwarranted authority on the basis of some pretext