Dictionary/闻所未闻

闻所未闻 聞所未聞

wén suǒ wèi wén

ㄨㄣˊ ㄙㄨㄛˇ ㄨㄟˋ ㄨㄣˊ
Idiom
1unheard of
2an extremely rare and unprecedented event

Characters

闻所未闻