By evening the storm had subsided and all was quiet again.

傍晚，暴风雨已经过去，四周开始沉寂下来。

《新英汉大辞典》

In spoken English, a calm before the storm is the period of quiet before something dramatic happens.

在英语口语中，暴风雨之前的宁静是指某戏剧性事物发生之前一段宁静的时期。

youdao

Don't worry General, this is just the quiet before the storm.

别担心将军，这只是暴风雨来临前的宁静。

youdao

Watson and his Quiet Storm Foundation also honored the winners during a luncheon Saturday in New York.

WSJ: Hawks pull away, keep Nets out of 1st-place tie

The fight for mobile supremacy is a multi-front war, with increasing competition in everything from smartphones to tablets like the iPad and RIM's forthcoming PlayBook. (Read " Quiet Before the Storm: Intel and AMD Dominate Chip Industry Ahead of Tablet Showdown").

FORBES

The advent of tablet computers, along with behavioral and targeted advertising, will provide a good opportunity for content producers and advertisers to synergize from the creative destruction caused by the internet. (See Quiet before the Storm: Intel and AMD Dominate the Chip Industry Ahead of Tablet Showdown).

FORBES: Online Ad Spending Exceeds Print, Hitting $25.8 Billion