繞梁三日 (jiu5 loeng4 saam1 jat6) — sonorous and resounding (lit., "reverberates around the rafters for three days", esp. of singing voice) in Cantonese
jiuˏ₅繞loengˎ₄梁saamˉ¹三jatˍ₆日简 绕梁三日
Mandarin Pinyin: rao4 liang2 san1 ri4
Meaning of 繞梁三日
nounsonorous and resounding (lit., "reverberates around the rafters for three days", esp. of singing voice)