豆腐块儿

Traditional (Taiwan): 豆腐塊兒

dòufukuàir ㄉㄡˋ ˙ㄈㄨ ㄎㄨㄞˋㄦ

    • short, neat piece of writing in a newspaper or magazine

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
a block of tofu
Meaning
A short, neat piece of writing in a newspaper or magazine, from its squared-off look in print.

Sources