buzz
verb uk/bʌz/ us/bʌz/
(MAKE SOUND)
C2 [ I ]发嗡嗡声;发蜂鸣声
to make a continuous, low sound such as the one a bee makes
I can hear something buzzing. 我能听见什么东西在嗡嗡地响。
[ I or T ]用蜂鸣器（给…）发信号
to press a buzzer in order to get someone's attention
I buzzed him but there was no answer. 我用蜂鸣器叫他，可是没有应答。
The first person to buzz may answer. 第一个按蜂鸣器的人可以回答。
(BE VERY ACTIVE)
C2 [ I usually + adv/prep ]繁忙;充满活力
to be busy and full of energy
The place was buzzing (with excitement). 那个地方一派繁忙热闹的景象。
Reporters were buzzing around, trying to get the full story. 记者们跑来跑去，试图弄清事情的来龙去脉。
your head/mind is buzzing 同时思考着很多事
If your head/mind is buzzing, you are thinking about many different things at the same time.
(FLY LOW)
[ T ] informal（飞机）低空飞过
If an aircraft buzzes a place or people, it flies over it or them very low and fast.
(CUT HAIR)
[ T ] informal（用特殊的机器）将头发剪得非常短
to cut someone's hair very short using a special machine
Phrasal verb
buzz off 离开
to go away
I've got some stuff to do at home, so I'm going to buzz off now. 我家里有些事要做，所以我现在得走了。
滚开
used to tell someone to go away in a rude way
Buzz off, I'm busy! 滚开，我很忙！
buzz
noun [ S ] uk/bʌz/ us/bʌz/
(SOUND)
C2 嗡嗡声;蜂鸣声
a continuous, low sound
I heard a buzz and then saw the plane in the distance. 我听见嗡嗡的声音，接着看见了远处的飞机。
(FEELING)
C2 informal兴奋；快乐
a feeling of excitement, energy, and pleasure
I love riding fast - it gives me a real buzz. 我喜欢骑快车——这能让我异常兴奋。
I get a buzz out of public speaking. 在公共场合演讲让我感到兴奋。
Idiom
give someone a buzzidiom informal 给…打电话
to phone someone
I'll give you a buzz next week. 我下周给你打电话。