病人吸烟很重;多年来用力时便感到呼吸困难, 且日趋严重.用英语怎么说？

病人吸烟很重;多年来用力时便感到呼吸困难, 且日趋严重.

He was a heavy smoker, and for many years had noticed increasing exertional dyspnoea.

he

pron. 他，它，一个人；n. 雄性动物；

例句
Logic had prevailed and he had abandoned the idea.
最终理智占了上风，他打消了那个念头。

was

v. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质（ be的过去式 ），在，存在，不受干扰；

例句
There was a terrible sadness in her eyes...
她眼神中流露出深深的悲伤。

heavy

adj. 重的，沉重的，大量的，浓密的，激烈的，重型的；n. 重物，庄重的角色；adv. 密集地，大量地，笨重地；

例句
The heavy curtains were a warm apricot.
这些厚重的窗帘是温暖的杏黄色。

smoker

n. 吸烟者；

例句
You don't need to be a smoker or a drinker to risk heart disease...
并不是只有抽烟喝酒的人才会犯心脏病。

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

for

prep. 为，为了，倾向于，关于，当作；conj. 因为，由于；

例句
I've come looking for a bit of advice.
我特来讨教。

many

adj. 许多，多的；pron. （与复数动词连用）大多数人；

例句
There are many people who still find the act of abortion abhorrent.
仍有很多人对堕胎行为表示厌恶。

years

n. 年( year的名词复数 )，年纪，一年的期间，某年级的学生；

例句
His wife was sentenced to seven years imprisonment for aiding and abetting him...
他的妻子作为他的从犯被判入狱7年。

had

v. 有（ have的过去式和过去分词 ），（亲属关系中）接受，拿，买到；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

noticed

v. 注意（ notice的过去式和过去分词 ），觉察；

例句
Meg was so abstracted she scarcely noticed that the train had stopped...
梅格想得出了神，几乎没有注意到火车已经停了。

increasing

v. 增加，增大，增多( increase的现在分词 )，增强，增进，[缝纫]放（针），增强；

例句
His increasing alignment with the Reagan administration nearly cost him re-election.
与里根政府日益紧密的关系差点让他失去了连任的机会。

dyspnoea

n. 呼吸困难；

例句
The woman's dyspnoea and hypoxia settled gradually with conservative management and she was discharged 7 days later.
妇女的呼吸困难和缺氧经保守治疗后逐渐缓解并于7天后出院.