down in the dumps

US /daʊn ɪn ðə dʌmps/
UK /daʊn ɪn ðə dʌmps/
"down in the dumps" picture
1.

情绪低落, 沮丧, 郁闷

feeling unhappy or depressed

:
She's been down in the dumps ever since her cat ran away.
自从她的猫跑掉后,她一直情绪低落
Don't be so down in the dumps; things will get better.
别这么垂头丧气;事情会好起来的。