1. 耳朵痛：ear-piercing 刺耳的 | earache 耳朵痛 | earbob 耳环

2. 耳病：除非有必要,請你不要拔牙. Please, don't extract the tooth unless it is absolutely necessary. | 耳病 earache | 耳鳴 Tinnitus

3. 耳朵疼：ear耳朵 | earache耳朵疼 | early早的

1. 耳痛
Earache is a pain in the inside part of your ear.

e.g. He complained of an earache...
他主诉有耳痛。
e.g. Blowing your nose too hard can cause earache.
擤鼻涕太用力会造成耳痛。

noun

1. an ache localized in the middle or inner ear

Synonym: otalgia