e.g. His voice shook with fear. 他害怕得声音发抖。（人的声音）
It is the voice of truth. 这是真理之声。（用于比喻）
She is enamored of the sound of her own voice.她陶醉于自己的嗓音。（唱歌的声音）
noise 通常指不悦耳的、令人烦恼的嘈杂声，隐含贬义。
The loud noise from the nearby factory chafed him. 附近工厂的噪声使他烦躁。
sound 指人们听到的任何声音，无褒贬色彩。
I caught a curious sound in the neighboring room.我听到隔壁房间里有奇怪的响声。
The man was gone, his footsteps made no sound.那人走了，他的脚步没有发出一点声音。
试比较下面几个例子：
I wish my house were out of sound of street noises. 但愿我的房子离得远些，听不到街上的嘈杂声就好了。
It was the sound of a girl' voice. 这是一个女孩子说话的声音。
