五二三 [－－－]

Jyutping ng5 ji6 saam1
Pinyin wǔ èr sān

Definitions (粵典–words.hk)
  1. 名詞、專名、術語
    中大伍​宜孫學​院​嘅​花名​，​係​中​大​嘅​術​語
    (jargon) nickname of Wu Yee Sun College, the Chinese University of Hong Kong