1
- a sound, especially one that is loud or unpleasant or that causes disturbance噪声, 响声：
making a noise like a pig in a trough
发出像猪在饲料槽中进食的噪声
what's that rustling noise outside the door?
门外沙沙响的是什么声音？
1.1
- mass noun a series or combination of loud, confused sounds, especially when causing disturbance嘈杂声, 噪音：
dazed with the heat and noise
被热气和噪音弄得头昏眼花
vibration and noise from traffic.
来往车辆发出的震动和嘈杂声。
1.2
noises
conventional remarks or speech-like sounds made to express some emotion or quality（表达某种情绪或资历的）套话, 言语似的声音：the government made tough noises about defending sterling.
关于保护英镑, 政府说了些强硬的套话。
2
- mass noun technical irregular fluctuations that accompany a transmitted electrical signal but are not part of it and tend to obscure it〈技〉（电信号传输中的）杂音, 噪声。
2.1
- random fluctuations that obscure or do not contain meaningful data or other information干扰噪声：
over half the magnitude of the differences came from noise in the data.
众多差异中有一大半是由数据中的干扰造成的。
with obj.(一般作be noised about)
1- dated talk about or make known publicly〈旧〉议论; 公开, 传开。
1.1
- no obj. poetic/literary make much noise〈诗/文〉喧闹。
短语
make a noise
- speak or act in a way designed to attract a lot of attention or publicity引起关注, 引起轰动：
he knows how to make a noise and claim police harassment.
他知道如何引起轰动并指责警察扰民。
词源
Middle English （also in the sense 'quarrelling'）： from Old French, from Latin nausea 'seasickness' （see NAUSEA）.