idiom
In the calm before the storm
在困难局势或冲突发生之前的平静时期。
Meaning
A peaceful period before a difficult situation or conflict arises.
Example
The office was quiet, **in the calm before the storm**, as they prepared for the big meeting.
办公室很安静,**在风暴之前的平静**,他们在为重要会议做准备。