糯米心肠

Traditional (Taiwan): 糯米心腸

nuòmǐxīncháng ㄋㄨㄛˋ ㄇㄧˇ ㄒㄧㄣ ㄔㄤˊ

    • soft-hearted person with no opinions of one's own

Character by character

Saying俗语俗語

Idiom惯用语 · Rarely used now

Literally
glutinous-rice heart
Meaning
A soft-hearted person who lacks their own opinions. Mildly critical.

Sources