老而不死是為賊 [－－－－－为贼]

Jyutping lou5 ji4 bat1 sei2 si6 wai4 caak6
Pinyin lǎo ér bù sǐ shì wéi zéi

Definitions (Wiktionary)
  1. phrase, idiomatic
    used to scorn an old person that lacks morality or proper behaviour