Disgruntled and defeated omnibus owners and drivers groaned aloud.是什么意思？

Disgruntled and defeated omnibus owners and drivers groaned aloud.

心怀不满的和遭受挫折的公共马车商人和车夫高声叫骂着.

disgruntled

adj. 不满的，不高兴的，怏怏；

例句
Party members are disgruntled at the way the campaign is being handled.
党员们对竞选活动的运作方式很不满。

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。

defeated

v. 击败( defeat的过去式和过去分词 )，战胜，挫败，使困惑；

例句
She defeated developers who wanted to bulldoze her home to build a supermarket.
她打败了那些想推倒她家房屋兴建超市的开发商们。

omnibus

v. 击败( defeat的过去式和过去分词 )，战胜，挫败，使困惑；

例句
Disgruntled and defeated omnibus owners and drivers groaned aloud.
心怀不满的和遭受挫折的公共马车商人和车夫高声叫骂着.

owners

n. 物主，所有人( owner的名词复数 )；

例句
It is a safe bet that the current owners will not sell.
十有八九现在的业主不会出售。

drivers

n. 驱动程序( driver的名词复数 )，驾驶员，驱赶动物或人的人，（高尔夫球 ）球棒；

例句
Those drivers should face an automatic charge of manslaughter...
那些司机必然会受到过失杀人的指控。

groaned

v. 呻吟( groan的过去式和过去分词 )，发牢骚，抱怨，受苦；

例句
Michael groaned and readjusted his shorts...
迈克尔一边发着牢骚一边整了整自己的短裤。

aloud

adv. 高声，大声；

例句
When we were children, our father read aloud to us...
我们小的时候，父亲会给我们朗读。