名詞 headache:

1. something or someone that causes anxiety; a source of unhappiness
   同義詞：concern, worry, vexation
2. pain in the head caused by dilation of cerebral arteries or muscle contractions or a reaction to drugs
   同義詞：head ache, cephalalgia

1. The aspirins eased my headache.
   阿司匹林使我頭疼減輕。
2. He had a headache yesterday.
   昨天他感到頭痛。
3. I've got a splitting headache.
   我頭疼得要裂開似的。
4. This medicine will relieve your headache.
   這藥將減輕你的頭痛。
5. The clamor of traffic gave me a headache.
   交通噪音讓我頭痛。
6. I've got a headache.
   我頭痛。
7. The boy had a headache and had to see the doctor.
   這個(gè)男孩頭疼，不得不去看醫(yī)生。

head.ache

n.（名詞）
A pain in the head.
頭痛
Informal Something, such as a problem, that causes annoyance or trouble.
【非正式用語】 麻煩：如問題等引起麻煩或煩惱的東西

【引伸】
head.ach.y