Read the passage aloud, please.
请大声朗读这篇文章。
They could not speak aloud in the library.
他们不能在图书馆大声说话。
“He was the best,” a shopper spoke aloud to himself.
“他是最好的，”一个顾客自言自语。
loud做形容词，意为“大声的，嘈杂的`”
As adverbs the difference between loudly and loud
is that loudly is in a loud manner; at a high volume while loud is loudly.
We all went to an Iranian café with loud music.
我们去了一家伊朗人开的餐馆，那里音乐喧闹。
The machine began to hum like a loud vacuum cleaner.
机器开始像吸尘器一样嗡嗡作响。
The music’s louder and now I recognize the tune.
音乐更响了，现在我听出这是什么曲子了。
It was my father, speaking in a loud voice to the woman seated beside him.
是我父亲，他在大声对坐在他旁边的女人说话。
loud也可以做副词，loudly(loud加ly)也是副词
因此，这三个单词用法，难就难在：
Loud和loudly的区别：
其实它们的区别，谁也说不清楚。
大家还是看看下面例句，自己感受一下吧。
简单地说，loud也还没“大声”到让人反感；loudly指声音肯定是“嘈杂喧闹”了，比喻的用法里常用loudly；Loud有比较级，最高级，loudly没有。
I heard him gag, very loud, for a long moment and then he was silent.
我听到他很大声地说了好久，然后就沉默了。
Actions speak louder than words.
行动胜于雄辩。
I hear you loud and clear, but I don't agree.
我听得很清楚，但我不同意你的看法。
The worst part was that they talked very loudly.
最糟糕的是他们大声喧哗。
He sleeps and snores really loudly.
他睡觉打呼噜很大声。
“Excuse me,” I say, but not loudly enough, because no one seems to hear me.
“对不起，”我说，但声音不够大，因为好像没人听见我说话。
And no one booed – at least not loudly enough to hear.
也没有人发出嘘声——至少声音不够大。
In Britain, politicians complain loudly about the hate they receive.
在英国，政客们大声抱怨他们受到的仇恨。
The statistics speak more loudly than any specific word.
统计数字比任何具体的词都更能说明问题。