I have got a headache and I feel chilly.

我头痛，还觉得有些发冷。

I have got a headache and I feel chilly.

我头痛，还以为有些发冷。

I have got a headache. (stomachache, toothache, earacke)

我头疼。

I have got a slight headache.

我有点轻微的头痛。

I got dumped, feel drunk, and have a terrible headache.

我被甩了，感觉喝醉了，头还很疼。

Hey, Sue. Have you got any pain-killers at hand? I have a splitting headache.

嗨，苏。你有止疼片吗？我头痛的快裂开了。

Because I have got a bad headache, I am not going to the concert.

因为我头疼得厉害，所以不打算听音乐会。