bù​shí​tài​shān

not to recognize a famous person

Senses

不识泰山/ 不識泰山 bù​shí​tài​shān (also bú​shì​tài​shān) not to recognize a famous person

(idiom) to fail to recognize a person of great importance or ability when meeting them face to face; literally "not to recognize Mt. Taishan"

References

see 不识泰山/不識泰山 泰山/泰山