Definition (通讯)
If someone on a mobile phone call begins to break up, it means their voice is no longer audible with clarity.
(电话)声音不清晰;声音断断续续
During the call, I heard his voice breaking up, making it hard to understand.
通话时,我听到他的声音断断续续,很难听清楚。
If the signal is weak, the call audio may start to break up.
如果信号很弱,通话的声音可能会开始断断续续。
The audio breaking up during the important meeting caused frustration.
重要会议期间,声音断断续续,造成了困扰。