He used his headache as a pretext for not going to school.

他借口头疼而不去上学。

Diet may hold the clue to the causes of migraine.

从饮食之中可能得知偏头疼的一些原因。

Exhaust fumes made him drowsy and brought on a headache.

废气把他熏得昏昏沉沉，还引起了头疼。

This headache has been nagging me all day.

我整天头疼的要命。

I am now tired and extremely hungry—with a headache into the bargain.

我现在又累又饿，而且还头疼。

The ache in my head abated.

我的头疼减轻了。

The headache went off quite suddenly.

头疼突然消失了。

I often suffer from unaccountable headaches.

我常莫其妙地头疼。

Aspirin will quell your headache.

阿斯匹林将止住你的头疼。

The system of the Unconstitutionality Review in our academic research of science of Law is a hot issue in China, which also is a knotty problem.

关我国的违宪审查制度是当今法学界研究的一个热点问题，也是令法学界比较头疼的一个问题。

In “Idiocracy” he turns his talents to futurology—and to the troubling question of the long-term impact of dysgenic breeding, junk food and grunge culture on America's collective IQ.

在《蠢蛋进化论》中，他把他的聪明劲用到了“未来学”上，以及在不类优化的培养方式，垃圾食品和庸俗文化长期浸淫下，所引出的令头疼的美国大众智商问题。