hum
Word family adjectivehummablenounhummerhumminghummingbirdverbhum
hum1 /hʌm/ ●○○ verb (hummed, humming)1 [intransitiveI, transitiveT]SING to sing a tune by making a continuous sound with your lips closed 哼(曲子)hum to yourselfTony was humming to himself as he drove along. 托尼邊開車邊哼着曲子。
He began to hum a tune. 他開始哼唱一支曲子。
2 [intransitiveI]SOUND to make a low continuous sound 發出嗡嗡聲Machines hummed on the factory floor. 機器在車間裏嗡嗡作響。
3 [intransitiveI]BUSY PLACE if a place hums, it is full of activity – use this to show approval 〔場所〕忙碌,活躍〔含褒義〕 → busyBy nine o'clock, the restaurant was humming. 到9點鐘時,餐館裏開始忙碌起來。
hum withThe streets were humming with life. 大街上熙熙攘攘。
4. hum and haw British EnglishBrE to take a long time deciding what to say or do 支吾,吞吞吐吐;遲疑 → hesitate SYN American English hem and haw hum2 noun [singular]1 SOUNDa low continuous sound 嗡嗡聲;低沉而持續的嘈雜聲hum ofthe distant hum of traffic 遠處嘈雜的車流聲
► see thesaurus at sound 2. hum of excitement/approval etc the sound of people talking because they are excited etc 興奮/贊同等的嗡嗡聲 Origin hum1 (1300-1400) From the sound