I feel I might come down with a cold.
I've got a cold.? 我感冒了。
I've got a bad cold.? 我感冒很严重。
I've got a runny nose.? 我流鼻涕。
I have a stuffy nose, I can't smell anything.
I've got a sore throat.? 我嗓子疼。
I am hoarse because of sore throat.
When I have a sore throat, I can't eat anything, nothing can soothe the pain.
I've been coughing day and night.? 我一直在咳嗽。
I have a bad cough, I think my classmate gave it to me.
I can't stop sneezing.? 我喷嚏打个不停。
I've got a temperature. / I'm running a high fever.
I think I have a temperature.
I've got a very bad headache. / This headache is killing me.
I'm not feeling so good.
I don't feel well.
I feel dizzy.
My head is swimming.
I am trembling with cold.
I am weak.
I feel sore and ache all over.
I feel like I'm dying.