我觉得头痛、恶心、想吐。
I feel under the weather.
我不舒服，生病了。
I feel unusually tired.
我感到反常的疲倦。
I feel light-headed.
我觉得头晕。
I have been staying in for a few days.
我生病在家几天了。
My head is pounding.
我头痛。
