上笼头

Traditional (Taiwan): 上籠頭

shànglóngtou ㄕㄤˋ ㄌㄨㄥˊ ˙ㄊㄡ

    • to put restrictions on someone
    • to rein in

Character by character

Saying俗语俗語

Idiom惯用语 · Rarely used now

Literally
put on the halter
Meaning
To put restrictions on someone, as one halters an animal. Often critical.

Sources