5. I feel low today. 我今天心情(有點)低落。

　　6. I」m so down. 我心情很低落。

　　7. I」m a bit down in the mouth today. 我今天有點悶悶不樂的。

　　8. I」ve been down in the dumps recently. 我最近很『郁悶』。

　　9. I can」t put my finger on what」s wrong. 我不曉得什麼地方不對勁兒。

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