墨守成规 mò shǒu chéng guī

DEFINITIONS

  1. hidebound by convention (idiom)

CHARACTERS

墨 mò
HSK 6
ink; writing
守 shǒu
HSK 5
defend, protect, guard, conserve
成 chéng
HSK 3
completed, finished, fixed
规 guī
HSK 4
rules, regulations, customs, law