to hear, to hear by accident

a female given name

tinnitus

(idiomatic) to listen closely

whispering into someone's ear

to whisper into someone's ear

the ears of someone sleeping / something heard while sleeping

ear

投手: (baseball) pitcher / 党首: (politics) party leader / 当主: a head of family / 頭首: a head of group

橈骨: (anatomy) radius - (The long bone in the forearm, on the side of the thumb.) / 頭骨: (anatomy) skull, cranium - (The main bone of the head.)