His breathing has become increasingly difficult.（他呼吸越來越困難。）

　　He has to breathe through his mouth.（他要用口呼吸。）

　　He is short of breath， even when he has not been exercising， he is breathless.（他喘氣；即使不運動，他也是上氣不接下氣。）

　　His cough is more like wheezing.（他的咳嗽有呼哧呼哧的響聲。）

　　His cough is dry， producing no phlegm.（他是干咳，沒有痰。）

　　He has coughed up blood.（他咳嗽有血。）

　　His nose stuffed up when he had a cold.（他感冒時鼻子就不通。）

　　He coughs up a lot of phlegm （thick spit） on most days.（他多半時間咳出濃濃的痰。）

　　He has a feeling of tightness in the chest or a feeling that he is suffocating.（他胸部覺得悶悶的，好象透不過氣來。）