戴笼头

Traditional (Taiwan): 戴籠頭

dàilóngtou ㄉㄞˋ ㄌㄨㄥˊ ˙ㄊㄡ

    • to be held in check
    • to be kept under control

Character by character

Saying俗语俗語

Idiom惯用语 · Rarely used now

Literally
wear a halter
Meaning
To be held in check or kept under control, like a bridled animal.

Sources