Definition
When information or news gets round, it becomes known by many people.
（消息等）广为流传
The news quickly got round the office.
这个消息很快就在办公室传开了。
If this issue isn't handled, it will get round very quickly.
如果这个问题不处理，它会很快传开。
The details of the new policy have already got round in the community.
新政策的细节已经在社区传开了。