一日為師,終身為師 (jat1 jat6 wai4 si1 zung1 san1 wai4 si1) — once a teacher, a teacher for life in Cantonese
jatˉ¹一jatˍ₆日waiˎ₄為siˉ¹師,zungˉ¹終sanˉ¹身waiˎ₄為siˉ¹師简 一日为师,终身为师
Mandarin Pinyin: yi1 ri4 wei4 shi1 , zhong1 shen1 wei4 shi1
Meaning of 一日為師,終身為師
nounonce a teacher, a teacher for life