A miasma of stale alcohol hung around him.是什么意思？

A miasma of stale alcohol hung around him.

他身上老有股难闻的酒精味。

miasma

n. 瘴气，烟雾弥漫的空气，不良气氛或影响；

例句
As time went on, his ambition to be part of the US Supreme Court faded in a miasma of alcohol and despair.
随着时间的推移，他跻身美国最高法院的雄心壮志在弥漫着酒精和绝望气息的乌烟瘴气中消失殆尽。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

stale

adj. 陈腐的，不新鲜的，走了味的；v. 变陈旧，变得不新鲜，（牛马、骆驼等）撒尿；n. （牛马、骆驼的）尿；

例句
Six stale loaves of brown bread formed a dark blot on the otherwise barren shelves.
6条变质的黑面包在原本空荡荡的架子上堆出了一个黑点儿。

alcohol

n. 乙醇，酒精，含酒精的饮料；

例句
...drug and alcohol abuse.
嗜毒和酗酒

hung

v. 悬( hang的过去式和过去分词 )，（被）绞死，贴，逗留；

例句
There were no shutters at the windows, and some of the doors hung askew.
窗户上没有百叶窗，有几扇门也歪歪扭扭的。

around

adv. 大约，旋转，到处，四处，在周围；prep. 围绕，在附近，前后，左右，在…周围；

例句
He has never put an arm around his wife to accommodate photographers...
他从未为了迎合摄影师而搂住妻子。

him

pron. (he的宾格)他；

例句
They said goodbye to him as he got aboard the train at Union Station.
当他在联合火车站登上火车之际，他们向他道别。