灰色技能 [－－－－]

Jyutping fui1 sik1 gei6 nang4
Pinyin huī sè jì néng

Definitions (Wiktionary)
  1. noun, neologism, slang
    “grey skills”, referring to soft skills such as drinking, singing karaoke, playing mahjong or poker, etc. that allow a person to establish connections and survive in the society
    (syn.) 灰技