耍秤杆子

Traditional (Taiwan): 耍秤桿子

shuǎchènggǎnzi ㄕㄨㄚˇ ㄔㄥˋ ㄍㄢˇ ˙ㄗ

    • to cheat on weight when selling goods
    • to use sly tricks in business

Character by character

Saying俗语俗語

Idiom惯用语 · Rarely used now

Literally
play with the steelyard beam
Meaning
To cheat on weight when selling goods; to use sly tricks in business. Critical.

Sources