Amplifier is electrical device which make sounds louder.

扩音器是一种使声音放大的电气装置。

Turn the music up louder! That’s more like it!

把音乐的音量开大些！这样效果好多了！

As the input of energy is increased, the volume gets louder.

随着能量输入的增加, 音量变得更大。

The crackling became louder and louder.

爆裂声变得越来越响。

The loud cheers drown out his shouts.

欢呼声盖过了他的喊叫声。

The clamor for her resignation grew louder.

要求她辞职的呼声越来越大。

Nothing displeases me more than loud talking.

没有比大声谈话更使我不高兴的了。

The quavering voice grew louder filling the room.

颤抖的声音变得大了，充满了房间。

The rattle of the engine was very loud.

发动机的嘎嘎声很大。

The loud music was a discouragement to conversation.

吵闹的音乐妨碍了别人谈话。

There were loud groans when he started to sing.

他刚开始歌唱时有人发出了很大的嘘声。

The loud noise from the nearby factory chafed him.

附近工厂的噪声使他烦燥。

A loud noise from the street diverted my attention.

街上一阵喧闹声转移了我的注意力。

The bells of the cathedral rang out their loud peal.

大教堂响起了响亮的钟声。

Bus drivers and motorists made their gripes loud and clear.

公共汽车司机和开车者高声出怨言。

The water went down the plughole with a loud gurgle.

水发着响亮的汩汩声流下了排水洞。

In their pages Americans were often portrayed as crass, loud, bumptious.

在他们的记录中，美国人经常被描绘成粗鲁、大声喧哗、自以为是的形象。

The horse shied at the loud noise and threw its rider.

那匹马听到响声吓得向后倒退, 把骑手摔了下来。

The waves washed over the sea embankment with a loud crashing noise.

波涛拍打着海堤发出巨大的撞击声。

The sound was so loud it was on the threshold of pain.

声音大得开始使人无法忍受。