I wonder why he's in such a mood today.

我不知道他为什么今天脾气这么坏。

《牛津词典》

Under the guidance of such a mood, I want to have many, many, I thought of a lot of people.

在这样的心情的指导下，我想得很多很多，我想到了很多的人。

youdao

When she is in such a mood, not even close friends and family members will be able to approach her.

当她处在情绪化中，就算是亲密的朋友和家人也别想靠近她。

youdao

Such a mood is spreading in society.

CNN: ISOLATED IN THEIR GRIEF

Why is the staff in such a good mood?

CNN: Letterman jokes about jihadist website death threat

On the occasion of FORBES' 75th anniversary 15 years ago, the magazine devoted its anniversary issue to a series of essays on why America was in such a cranky mood when the times were so good.

FORBES: Golden Times--Even If We Don't Know It