noise 通常情况下指噪音、喧闹声、嘈杂声，这时是不可数名词。当 noise 泛指响声、声音、声响时，为可数名词。如：
Noise will probably not hurt the airstream .
噪音基本上不会影响气流。
There was too much noise in the room and he needed peace.
屋子里太吵闹，他需要安静。
The noise of bombs and guns was incessant...
炸弹和枪炮接连不断。
The baby was filled with alarm at the darkness and the noise.
在黑暗和嘈杂的声音中，婴儿饱受惊吓。
2. Sir Gerald made a small noise in his throat.
杰拉尔德爵士从喉咙里发出了点儿声音。
He could hear bird songs and other animal noises.
他能听到鸟鸣声和其他动物的声音
She'd been working in her room till a noise had disturbed her.
她一直在房间里工作，直到有声响打扰了她。
The ball impacted against the bat with a loud noise.
球撞击着球棒发出很大的响声。