没嘴葫芦

Traditional (Taiwan): 沒嘴葫蘆

méizuǐhúlu ㄇㄟˊ ㄗㄨㄟˇ ㄏㄨˊ ˙ㄌㄨ

    • a person who rarely speaks

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
mouthless gourd
Meaning
A person who rarely speaks. Mildly teasing.

Sources