表达心情不好的句子有：

I'm feeling blue.

I'm so down.

I feel low today.

I'm not in the mood.

I'm in a bad mood.

形容“心情沮丧”，“意志消沉”的单词有：

unhappy/ʌnˈhæpi/不开心的

down/daʊn/情绪不高的

frustrated/ˈfrʌstreɪtɪd/沮丧的

depressed/dɪˈprest/沮丧的

sad/sæd/悲伤的

upset/ʌpˈset/不高兴的

dejected/dɪˈdʒektɪd/沮丧的

dispirited/dɪˈspɪrɪtɪd/沮丧的；没有精神的

相关句子：

He's the only person that I can let down my guard.

他是我唯一可以不留戒心的人。

I feel comfortable around her.

在她身边我感到轻松。

Are you still mad at me?

你还生我的气吗？

I was shocked to hear they got married.

得知他们结婚，我很惊讶。

I'm sure he will be happy to hear the news.

我肯定他听到这个消息会很高兴。

News of that sort really gets me down.

听到这种消息真影响心情。

How do you release stress?

你如何减轻压力？

How can you be so happy every minute?

你怎么会整天都这么高兴呢？

Conversation:

A: Why are you so depressed, Tommy?

B: Oh, nothing. I'm just tired.

A: Come on Tommy. You can tell me!

B: The boss gave me such a lot of work to do. I was working until 10 o'clock yesterday. And it has not been finished.

A: Why don't you talk to your boss?

B: I have talked to him. But he just said he couldn't find another person to help me. I'm really angry with him.

A: Just relax. I think your boss understands how hard you're working.

B: I hope so.

Translation:

汤姆，你的情绪好像很低落，怎么了？

没什么，我就是觉得有点儿累。

汤姆，你有什么事情可以告诉我。

老板给了我特别多的活，昨天晚上我又干到十点。问题是到现在还没做完呢。你为什么不和你的老板谈谈呢？

我跟他谈了，可他说他找不着别人来帮我，我对他很生气。

放松点儿。我相信你的老板知道你工作得多辛苦。

但愿如此。