ròu​yǎn

naked eye

肉眼 ròu​yǎn
naked eye noun
the human eye unaided by optical instruments such as telescopes or microscopes

The Orion Nebula is visible to the naked eye.

layman's eyes noun
the limited vision or perspective of an ordinary person, lacking spiritual or specialized insight

Ordinary mortals cannot recognize true worth.

Frequency

Movie subtitles
1.58 per million appears in 1% of films
Written text
3.69 per million

Sources

Definitions
CC-CEDICT