说到“头疼”我们都能第一时间反应出来
headache
由此我们还可以举一反三出 -ache 作词尾的各种疼
toothache 牙疼
stomach ache 胃疼
backache 背疼
身体部位加上ache
就可以表达某个部位“疼”


那“头晕”你知道如何表达么？
syncope
n.
(also fainting episode)
a short period of time when a person becomes unconscious
晕厥
例：
Postural syncope occurs when the body cannot supply enough blood to the brain in theupright position because of low blood pressure.
直立时因血压过低导致大脑供血不足时会出现直立性晕厥。

faint
adj.
to feel weak, as if you are about to become unconscious
虚弱无力;感到眩晕;快要晕倒似的
例：
She felt faint with hunger.
她饿得头昏眼花。
v.
to suddenly become unconscious for a short time, usually falling down
昏厥;晕倒
例：
He faints at the sight of blood.
他一见血就晕。
I nearly fainted in the heat.
我差点热晕过去。
She took one look at the hypodermic needle and fainted (dead) away (= becameunconscious immediately).
她一眼看到注射针头就昏了过去。

dizzy
adj.
feeling as if everything is turning around, and that you are not able to balance and may fall down
眩晕的，头晕目眩的，眼花缭乱的
例：
I felt dizzy with excitement as I went up to collect the award.
我去领奖时激动得有些眩晕。