不主故常 bù zhǔ gù cháng

DEFINITIONS

  1. not to stick to the old conventions

CHARACTERS

不 bù
HSK 1
no, not; un-; negative prefix
主 zhǔ
HSK 3
master, chief owner; host; lord
故 gù
HSK 3
ancient, old; reason, because
常 cháng
HSK 2
common, normal, frequent, regular