If there is uproar, there is a lot of shouting and noise because people are very angry or upset about something.
The announcement caused an uproar in the crowd.
公告在人群中引起了一阵骚动。
You can also use uproar to refer to a lot of public criticism and debate about something that has made people angry.
The town is in an uproar over the dispute.
小镇因为这次争端陷入骚乱。