劍橋詞典 hum verb (MAKE A NOISE) [ 不及物動(dòng)詞:后面不接賓語(yǔ)的動(dòng)詞 ] to make a continuous low sound 發(fā)出連續(xù)低沉的聲音,嗡嗡作響 The computers were humming in the background . 計(jì)算機(jī)在背景中嗡嗡作響。 What's that strange humming sound ? 那種奇怪的嗡嗡聲是什么? [ 不及物動(dòng)詞:后面不接賓語(yǔ)的動(dòng)詞 or 及物動(dòng)詞:后面接賓語(yǔ)的動(dòng)詞 ] to sing without opening your mouth 哼(曲子) She hummed to herself as she walked to school . 她在上學(xué)的路上邊走邊哼曲子。 I've forgotten how that song goes - could you hum it for me? 我忘了那個(gè)調(diào)子怎么唱了——你能給我哼一下嗎? [ 不及物動(dòng)詞:后面不接賓語(yǔ)的動(dòng)詞 ] informal to be busy and full of activity , excitement , sounds , or voices 忙亂,忙碌;嘈雜 The bar was really humming last night . 昨晚酒吧里一片亂哄哄的。 習(xí)語(yǔ)hum and haw 返回 hum