台Taivo A Taiwan Mandarin dictionary

拿著雞毛當令箭

názhejīmáodànglìngjiàn

ㄋㄚˊ ˙ㄓㄜㄐㄧㄇㄠˊ ㄉㄤˋ ㄌㄧㄥˋ ㄐㄧㄢˋ

Simplified 拿着鸡毛当令箭

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

Keep 拿著雞毛當令箭 and it comes back until you know it.