見所未見 [见－－见]

Jyutping gin3 so2 mei6 gin3
Pinyin jiàn suǒ wèi jiàn

Definitions (Wiktionary)
  1. phrase, idiomatic
    to see something one has never seen before; (of something) rare; unprecedented
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）