博聞強識 [－闻强识]

Jyutping bok3 man4 koeng4 sik1
Pinyin bó wén qiáng zhì

Definitions (CC-CEDICT)
  1. erudite
  2. widely read and knowledgeable
Definitions (Wiktionary)
  1. phrase, idiomatic
    erudite; widely read and knowledgeable