1. down in the mouth
█ 释义：When you look down in the mouth, you look depressed and unhappy. 闷闷不乐，沮丧
l feel l should apologize to everyone… for my behaviour over the last six months. l have, as you know, been somewhat down in the mouth.
2. down in the dumps
█ 释义：feel depressed or miserable 沮丧，难过
Bart had been down in the dumps since he failed his history exam.
3. reduced to tears
█ 释义：When someone or something reduces you to tears, they make you feel so unhappy that you cry. 难过得落泪
Her boss reduced her to tears when he shouted at her.
She was reduced to tears by their criticisms.
4. have a lump in your throat
█ 释义：so unhappy or depressed that you feel all choked up 哽咽
That movie The English Patient was so touching that I had a lump in my throat several times when watching it.
5. feel blue/have the blues
█ 释义：depressed or unhappy 沮丧，不开心
You can say "I feel blue." or "Someone has the blues."
Emily has the blues because she hasn't seen her boyfriend for a month.
When I'm feeling blue I watch some happy movies to cheer myself up.
6. face like a wet weekend
█ 释义：British slang. If your face looks like a wet weekend or if you have a face like a wet weekend, it means you look sad and miserable. 不开心，难受的
What's wrong? You've had a face like a wet weekend all day long!