With the College Entrance Examination around the corner, I am very nervous and in low spirits because I am afraid of letting my parents down.

高考即将来临，因为害怕让父母失望，我非常紧张，情绪低落。

They were in low spirits.

他们精神不振。

Friends are those who encourage us when we are in low spirits.

朋友就是在我们失落时鼓励我们的人。

The Greeks are in low spirits.

希腊人现在心情可不怎么好。

Being in low spirits; depressed.

情绪低落；无精打采；郁郁不乐。