1. 喧闹声;嘈杂声
    Noise is a loud or unpleasant sound.

noise

    e.g. There was too much noise in the room and he needed peace...
           屋子里太吵闹，他需要安静。
    e.g. The noise of bombs and guns was incessant...
           炸弹和枪炮接连不断。

2. 响声;声音
    A noise is a sound that someone or something makes.

    e.g. 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。
    e.g. ...birdsong and other animal noises...
           鸟鸣声和其他动物的声音

3. (含蓄表明态度的)言语
    If someone makes noises of a particular kind about something, they say things that indicate their attitude to it in a rather indirect or vague way.

    e.g. The President took care to make encouraging noises about the future...
           总统小心谨慎地表达了他对未来的乐观态度。
    e.g. His mother had also started making noises about it being time for him to leave home.
           他妈妈也开始旁敲侧击，暗示他应该离家独立了。

4. 随声附和;故作踊跃
    If you say that someone makes the right noises or makes all the right noises, you think that they are showing concern or enthusiasm about something because they feel they ought to rather than because they really want to.

    e.g. But at the annual party conference he always made the right noises...
           但在每年政党会议上，他总是随声附和。
    e.g. He was making all the right noises about multi-party democracy and human rights.
           他假意支持多党民主和人权问题。

5. see also: big noise