N-SING
嘈杂声；含混不清的说话声
You can refer to people's voices as a babble of sound when they are excited and confused, preventing you from understanding what they are saying.
例句
Kemp knocked loudly so as to be heard above the high babble of voices...
肯普大声敲着，好让人们在一片高声喧嚷中听到他的声音。
They began to curse and shout in a babble of languages.
他们开始用不同的语言叽里咕噜地谩骂吵嚷起来。