hum
[hʌm] verb (-mm-)
intransitive
■to make a continuous low sound 发出连续低沉的声音，嗡嗡作响•The computers were humming in the background.电脑在某个不显眼的地方嗡嗡作响。 •What's that strange humming sound?那种奇怪的嗡嗡声是甚么？ intransitive or transitive
■to sing without opening your mouth 哼（曲子）•She hummed to herself as she walked to school.她在上学的路上边走边哼曲子。 •I've forgotten how that tune goes - could you hum it for me?我忘了那个调子怎么唱——你能帮我哼一下吗？ intransitive informal
■to be busy and full of activity, excitement, sounds or voices 忙乱；忙碌；嘈杂•The pub was really humming last night.昨晚酒吧里一片乱哄哄的。
[hʌm] verb (-mm-)
hum and haw UK (US hem and haw)
■to be uncertain and take a long time （长时间）犹豫不决•We hummed and hawed for months before actually deciding to buy the house.在真正决定买这房子之前，我们犹豫了好几个月。
[hʌm] noun countable usually singular
■a continuous low noise 持续低沉的噪音；嗡嗡声•Our house is on a main road, so we can hear the constant hum of traffic.我们的房子在大马路边，所以会听见持续不断的交通噪音。 •There's an annoying hum on this computer.这台电脑总是发出一种让人心烦的嗡嗡声。 |