指挥棒

Traditional (Taiwan): 指揮棒

zhǐhuībàng ㄓˇ ㄏㄨㄟ ㄅㄤˋ

    • baton

Character by character

Saying俗语俗語

Idiom惯用语 · In everyday use

Literally
conductor's baton
Meaning
Something that directs or guides what people do, e.g. 'the exam is the baton that steers teaching'. Often slightly critical.

Sources