劈硬柴

pǐyìngchái ㄆㄧˇ ㄧㄥˋ ㄔㄞˊ

    • to split the bill
    • to go Dutch

Character by character

Saying俗语俗語

Idiom惯用语 · Rarely used now

Literally
splitting hard firewood
Meaning
Dialect term for splitting a bill: each person pays an equal share of the cost. It is colloquial and regional.

Sources