My sunny mood suddenly darkened.

我快乐的情绪突然黯淡下来。

《柯林斯英汉双解大词典》

Yet this did little to diminish Latin Americans’ increasingly sunny mood.

可是，经济情况对于拉美国家日益升高的晴朗心情却影响不大。

youdao

Thanks to the sunny mood generated by its toe-tapping songs and memorable characters, it hardly needed a watertight plot.

卡通版拥有轻松欢快的主题歌曲和个性鲜明的角色，不再需要紧凑严密的故事情节。

youdao

It's an awfully effective strategy, as "Low Is a Height" functions as both a dreamy pop epic and the musical embodiment of a mood that's somehow both sunny and oppressive.

NPR: Great Northern and the 'Height' of Portent