坐牛车

Traditional (Taiwan): 坐牛車

zuòniúchē ㄗㄨㄛˋ ㄋㄧㄡˊ ㄔㄜ

    • to make extremely slow progress

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
ride an ox cart
Meaning
Describes progress that is extremely slow. Mocking or impatient.

Sources