少見多怪 [－见－－]

Jyutping siu2 gin3 do1 gwaai3
Pinyin shǎo jiàn duō guài

Definitions (CC-CEDICT)
  1. lit. a person who has seen little of the world will be be astonished by certain things (idiom)
  2. fig. to be taken aback by sth because of one's lack of sophistication; naive; unworldy
Definitions (粵典–words.hk)
  1. 形容詞
    指人​見識少​，​噉​都​覺得​驚奇
    used to ridicule someone with very few knowledge or experiences who is surprised by very common or basic facts
Definitions (Wiktionary)
  1. phrase, idiomatic
    to be easily surprised because of ignorance
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）