Please speak up

大声───loud;说───say

The steam escaped with a loud hissing noise.───蒸汽大声地嘶嘶冒了出来。

I once paid £120 for an extremely loud shirt which I've yet to wear.───我曾经花120英镑买了件极为花哨的衬衣，但到现在也没穿过。

Suddenly there was a loud crack and glass flew into the car.───突然发出一声巨大的爆裂声，玻璃碎片飞进了车里。

They were wakened by a loud knocking at the door.───他们被一阵嘈杂的敲门声吵醒。

The loud noise chafed him.───吵闹声使他烦躁.

Now the noise was very loud.───此时噪音极大.

Loud screams rent the air.───高声的尖叫划破了天空。

Suddenly there was a loud bang.───突然发出砰的一声巨响。