Good afternoon. Take a seat, please. What's wrong with you?

下午好。请坐!哪里不舒服?

I feel chilly and feverish and I badly cough.

我感到发冷发热而且我咳嗽的厉害。

I'm in pain, will you kindly examine my teeth?

我牙齿很痛，请替我检查一下，好吗?

I feel a dull pain at the back of my stomach.

我感到胃底部隐隐作痛。

I feel a pressure in my chest.

我感到胸闷。

I have rashes all over the body.

我全身都是皮疹。