少见多怪

shǎo jiàn duō guài

lit. a person who has seen little of the world will be astonished by certain things (idiom)

fig. to be taken aback by sth because of one's lack of sophistication; naive; unworldly

少

shǎo

few

见

jiàn

to see

多

duō

many; much; more; a lot of

怪

guài

variant of 怪[guai4]