三薰三沐 [－－－－]

Jyutping saam1 fan1 saam1 muk6
Pinyin sān xūn sān mù

Definitions (Wiktionary)
  1. phrase, idiomatic
    to be respectful
    (syn.) 三沐三熏, 三衅三沐, 三沐三薰, 三釁三沐