感冒咳嗽是冬天的常见病。这时常会感到鼻子不通畅、呼吸困难；如果严重了还会引发气管炎，咳痰、咳血什么的。下面是一些描述这些病症的常用英语表达，一起来看看吧。

His breathing has become increasingly difficult.

他呼吸越来越困难。

He has to breathe through his mouth.

他要用嘴呼吸。

He is short of breath, even when he is not exercising, he is breathless.

他喘不上气来；即使不运动，也是上气不接下气。

His cough is more like wheezing.

他咳嗽时有呼哧呼哧的响声。

His cough is dry, producing no phlegm.

他是干咳，没有痰。

He has coughed up blood.

他咳嗽有血。

He caught a cold and got a stuffed / stuffed up nose and a sore throat.

他感冒了，鼻子不通，嗓子疼。

He coughs up a lot of phlegm (thick spit).

他咳出很多浓痰。

He has a feeling of tightness in the chest or a feeling that he is suffocating.

他胸部觉得闷闷的，好像透不过气来。

（来源：中国教育在线 英语点津 Annabel 编辑）

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