玩花花肠子

Traditional (Taiwan): 玩花花腸子

wánhuāhuachángzi ㄨㄢˊ ㄏㄨㄚ ˙ㄏㄨㄚ ㄔㄤˊ ˙ㄗ

    • to scheme cunningly

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
play with fancy intestines
Meaning
To scheme cunningly; the "fancy intestines" stand for crafty plotting. Critical.

Sources