Definition (通訊)
If someone on a mobile phone call begins to break up, it means their voice is no longer audible with clarity.
(電話)聲音不清晰;聲音斷斷續續
During the call, I heard his voice breaking up, making it hard to understand.
通話時,我聽到他的聲音斷斷續續,很難聽清楚。
If the signal is weak, the call audio may start to break up.
如果信號很弱,通話的聲音可能會開始斷斷續續。
The audio breaking up during the important meeting caused frustration.
重要會議期間,聲音斷斷續續,造成了困擾。