Upset can't be resolved the problem, rather than quiet mood, maybe everything is solved.

心烦意乱是不能让问题得到解决的，倒不如静下心情来，也许一切便迎刃而解。

youdao

Local sources described the mood on election day in Rangoon, the country's commercial capital and largest city, as unnaturally quiet.

当地消息来源形容仰光，这个国家的商业首都和最大城市，选举日气氛平静。

youdao

But the motivation for this art is common to every culture: imagine a talented host from any country whose manner is so easy that guests are wrapped in a mood of quiet happiness.

但茶艺的动机对于每一种文化来说都是共通的：设想无论那一个国家，一位能干的主人接待客人，他的举止如此的从容流畅，令客人沉浸在一个安详幸福的情绪之中。

youdao

Although the campus was quiet, the mood of the students was troubled, if subdued.

NEWYORKER: The Rebellion Within

The mood is quiet and reverent.

FORBES: A Cooler View On The Koran

They talk almost incessantly to visitors, which can be disconcerting if you are in the mood for peace and quiet, but that's why I know they have several nicknames for their beloved hometown.... N'awlins, The Crescent City, The Big Easy, and America's Most Interesting City.

BBC: New Orleans and the 'Super Gras'