1、I'm sad.
2、I'm really disappointed in you.（Forgive me! Don't be disappointed in me!原谅我！不要对我失望！）
3、I'm feeling kind of lonely.我觉得有点孤单。
4、I would get so nervous.
5、I'm upset.
6、I was frightened.
7、I'm feeling discouraged.
8、My friend seems kind of gloomy today, she hasn't said very much and I saw her crying in the bathroom.
9、You hurt my feelings.
10、I'm miserable.
具体情境如下：
1、Anytime you feel down, you feel disappointed, just to general not good feeling, you can say: I'm sad.
每当你感到失落，感到失望，一般是不好的感觉，你可以说：我很伤心。
If someone asks you, how are you doing? I'm sad.
如果有人问你，你过得怎么样？我很伤心。
2、You can use this with food, with people, with pets if you like.
如果你喜欢的话，你可以用它来形容食物、人和宠物。
My English teachers like to use disappointed when they wanted to express that I did not live up to their expectations.
我的英语老师们喜欢用disappointed来表达我没有达到他们的期望。
They would say, "I'm really disappointed in you."
他们会说，“我真的对你很失望。”
But the same time it's so motivating.
但与此同时，这也很激励人。
3、Maybe you've been spending a lot of time alone,or there's someone that you really want to see,
也许你花了很多时间独处，或者你真的很想见某人，
or you want to see your family members, or maybe you're working too much.
或者你想见你的家人，或者你工作太忙了。
Whatever it is, maybe you just, you feel like you want to talk to people,
不管是什么，也许你只是，你觉得你想和别人说说话，
or you want to see people, be around people, but you can't.
或者你想看到别人，和别人在一起，但你做不到。
例如：I've only been working for the last few months.
过去的几个月我只是一直在工作。
I haven't had a chance to spend much time with my friends.
我没有机会花很多时间和朋友在一起。
I'm feeling kind of lonely.
我觉得有点孤单。
4、是指任何一种不安、焦虑、兴奋，但以一种不好的方式。
When I was a child, before my sing performances, I would get so nervous.
当我还是个孩子的时候，在我进行钢琴表演之前，我会很紧张。
I would be so nervous. My hands would start to shake,
我会很紧张。我的手会开始颤抖，
and then I couldn't sing the piece I've been practicing for months.
然后我就无法演奏我练习了几个月的曲子了。
5、Anytime you feel sad, angry, depressed, disappointed, unhappy,in general, you can say I'm upset, or he or she is upset.
一般来说，你可以说I'm upset，或者he or she is upset。
每当你感到悲伤、生气、沮丧、失望、不开心，
It's just a general unhappy word but it doesn't mean unhappy.
这只是一个让人不开心的词，但它的意思并不是不开心。
There's a way a person usually behaves, but I'm upset means something's not right.
一个人会有一种惯常的行为方式，但I'm upset意味着有些事情不对劲。
In a sentence, I might say, I'm really upset about my performance last year.
举个例子，我可以说，我对自己去年的表现真的很失望。
6、Frightened just means you're afraid, you're scared of something,
Frightened的意思是你担心，你害怕某事。
Like when you go to a movie and it's really scary, you can say I was frightened，
比如当你去看电影的时候，电影真的很恐怖，你可以说我被吓到了。
that's a frightening movie.
那是部恐怖的电影。
7、 it's just not going as you planned, you can say "I'm feeling discouraged."
或者事情不像你计划的那样，你可以说“I'm feeling discouraged”。
That sad or that upset feeling of wanting to do something, but not being able to, or having a hard time doing that.
那种想要做某事，但做不到，或做起来很困难的悲伤或难过的感觉。
I'm feeling a little bit discouraged about my recent work project, for example.
例如，我对我最近的工作项目感到有点灰心丧气。
8、We also use gloomy for, like, an atmosphere in a room, or in a place, in a building,
我们也用gloomy来形容房间里的气氛，或者是建筑物里的某个地方，
something that's a bit dark, maybe it's really, like, cloudy, you can use gloomy to describe the weather as well.
有点暗的东西，比如阴天，你也可以用gloomy来形容天气。
Just something dark, cloudy, maybe foggy, kinda, just a sad feeling, really.
只是一些黑暗、多云、也许有点雾，只是一种悲伤的感觉。
In a sentence, my friend seems kind of gloomy today, she hasn't said very much and I saw her crying in the bathroom.
举个例子，我的朋友今天看起来有点沮丧，她没怎么说话，我看到她在浴室里哭。
9、So as a verb, I was hurt by your comment.
所以作为一个动词，I was hurt by your comment。
As an adjective, I feel hurt.
作为形容词，I feel hurt。
Another expression that's commonly used is you hurt my feelings.
另一个常用的表达是you hurt my feelings。
10、 you need a word stronger than sad to describe that, you can use miserable.
你需要一个比sad更强烈的词来描述它，你可以用miserable。
So, like, I lost my job and I haven't been able to find a new one, I'm miserable.
比如，我丢了工作，还没能找到新工作，我很miserable。
Or my boyfriend or my girlfriend broke up with me. I'm miserable.
或者我的男朋友或女朋友和我分手了。我很伤心。
It's usually for something a bit serious in your life.
通常是为了你生活中比较严肃的事情。
总结：I was too nervous and my parents were disappointed in me. I'm sad now.
我太紧张了，我的父母对我很失望。我现在很伤心。
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