- 在紧急情况下，打电话报警。
In case of emergency, call the police.
- 在这种情况下，他们该做什么？
What should they do in this situation?
- 在紧急情况下，可拨打 119。
In case of emergency, call 119.
- 在这种情况下，我认为你今天应该来。
In that case, I think you should come in today.
- 小偷在没有被发现的情况下进去了。
The thief got in without being noticed.
