If there is pandemonium in a place, the people there are behaving in a very noisy and uncontrolled way.
例句
There was pandemonium in court as the judge gave his summing up...法官做总结时,法庭里一片混乱。Pandemonium broke out as they ran into the street shouting.他们叫嚷着冲到大街上,大街上顿时乱作一团。
英汉词典释义
n.
大混乱的场面, 嘈杂, 无序的地方
The whole lobby was a perfect pandemonium, and the din was terrific.整个门厅一片嘈杂,而且喧嚣刺耳。