有眼不識泰山

1. • lit. to have eyes but fail to recognize Mt Tai (idiom)
2. • fig. to fail to recognize sb important or sb's great talent
3. • to be blind to the fact

Character by character

• 有(yǒu)have
• 眼(yǎn)eye
• 不(bù)no
• 識(shí)know
• 泰(tài)Mt Tai 泰山 tàishān in Shandong
• 山(shān)surname Shan