情绪不高 meaning in English

feel low

He did not appear in spirits; some thing unconnected with her was probably amiss .
他的情绪不高。大概一件与她无关的事情没有办好。
A person can feel blue and down-in-the-dumps and during the same period have the most pleasant dreams .
一个人可能觉着情绪不高，甚至十分沮丧，而在同时却可以做最愉快的梦。
You looked depressed , tom . what ' s the matter
汤姆，你看起来情绪不高。怎么了？