Meanings

walls have ears

walls have ears

Eustachian tube

kanji "ear" radical at left

earwax

earmuffs (for protection against cold)

earflaps

(one's own) eyes and ears

hard of hearing

quick-eared

ear drops (medicine)

World Hearing Day (March 3)

removing edges

to reach one's ears

cochlea implant

to prick up one's ears and listen

to not believe one's ears

otolith (part of inner ear)

good advice is harsh to the ear

to take the lead in