Focus on the pronunciation of buzz
English definition of “buzz”
/bʌz/ v [I/T] (MAKE SOUND)
› to make a continuous, low sound such as the sound some insects make, or to move quickly while making this sound: [I] Something was buzzing around me as I tried to sleep. › Someone who buzzes you calls you by using a device that makes a low, continuous sound: [T] All were expected to run, literally, into McLaughlin’s office whenever he buzzed them.