我怀着愉快的心情离开了那个小岛。
I left the island with a light heart.
我今晚就是没心情参加聚会。
I'm just not in the mood for a party tonight.
他们发现他心情沮丧而消沉。
They found him in a gloomy, downbeat mood.
因为刚戒烟，她心情有点糟。
She is in a bit of a bad mood because she's just given up smoking.
我那天早上心情不是很欢快。
I was not feeling very bright that morning.