怎么没心情英语怎么说

"没心情"在英语中可以用 "in a bad/low/blue mood" 来表示，这个短语来源于英语中对情绪的形容词，例如 "blue" 是指心情不好或悲伤的意思。
例句：
I'm in a bad mood today, so I don't want to talk to anyone.
She's been in a low mood since her dog died.
He's been feeling blue since his break-up.
翻译：
今天我心情不好，所以我不想和任何人说话。
她的狗死了以后就一直心情不好。
他和女朋友分手后就一直心情沮喪。