2. I feel so upset. 我觉得很沮丧。

　　3. I'm in a bad mood today. / I'm moody today. 我今天心情不好。

　　4. I feel kind of blue today. 我今天有点“郁闷”。

　　5. I feel low today. 我今天心情(有点)低落。

　　6. I'm so down. 我心情很低落。

　　7. I'm a bit down in the mouth today. 我今天有点闷闷不乐的。

　　8. I've been down in the dumps recently. 我最近很“郁闷”。

　　9. I can't put my finger on what's wrong. 我不晓得什么地方不对劲儿。

　　10. Sorry, I got up on the wrong side of the bed today. 抱歉，我今天心情不好。