空架子

kōngjiàzi ㄎㄨㄥ ㄐㄧㄚˋ ˙ㄗ

    • impressive-looking but hollow thing
    • empty shell
    • all show and no substance

Character by character

Saying俗语俗語

Idiom惯用语 · In everyday use

Literally
empty frame
Meaning
Something that has an impressive form or reputation but no real substance. Critical. Like 'all show and no substance'.

Sources