headache

noun

1. something or someone that causes anxiety
a source of unhappiness

e.g. New York traffic is a constant concern
it's a major worry

Synonym: concernworryvexation

2. pain in the head caused by dilation of cerebral arteries or muscle contractions or a reaction to drugs

Synonym: head achecephalalgia

1. 头痛
If you have a headache, you have a pain in your head.

e.g. I have had a terrible headache for the last two days.
两天来我一直头痛得厉害。

2. 使人头痛的事;棘手的事;难题
If you say that something is a headache, you mean that it causes you difficulty or worry.

e.g. The airline's biggest headache is the increase in the price of aviation fuel...
令航空公司最头痛的事就是航空燃料价格的上涨。
e.g. This is a real headache for us.
这对我们来说真是个难题。

1. 头痛：这一研究成果发表在最新一期的美国<>(Headache)杂志上. 研究人员表示,为防止儿时受过虐待的偏头痛患者出现其他的疼痛共病,可以对他们实施认知行为疗法.

2. 头疼：女士回答男士的话,说她感觉不舒服(notfeelingmyself),而且这已经有一段时间了(goingonfordays),她还感觉嗓子疼(haveasorethroat),但她否认有发烧(fever)或者头疼(headache)的症状.

3. 头痛 頭痛：头痛 头痛(headache)是指额、顶、颞及枕部的疼痛. 头痛是一个常见症状,大多无特异性且经过良好,如急性感染时的头痛,随原发病的好转而缓解. 但有些头痛症状却是严重疾病的信号,如高血压动脉硬化病人头

4. 令人头痛的事：39. violator 违规者 | 40. headache 令人头痛的事 | 41. traffic accidents 交通事故