老不死 [－－－]

Jyutping lou5 bat1 sei2
Pinyin lǎo bu sǐ （ ｔｏｎｅｌｅｓｓ ｖａｒｉａｎｔ ）

Definitions (Wiktionary)
  1. adj, colloquial
    old and weak; haggard and annoying
  2. noun, colloquial
    old bastard

老不死 [－－－]

Jyutping lou5 bat1 sei2
Pinyin lǎo bù sǐ

Definitions (CC-CEDICT)
  1. (derog.) old but still alive
  2. old fart
  3. old bastard
Definitions (Wiktionary)
  1. adj, colloquial
    old and weak; haggard and annoying
  2. noun, colloquial
    old bastard