如何用英文形容词描述情绪的变化
1. emotional
形容词emotional的意思是“情绪化的，感情丰富的，易动感情的”，用来形容一个人的情绪很容易受到外界影响，或者很容易表现出强烈的情感，如喜、怒、哀、乐等。例如：
I'm quite an emotional person so I go through a range of emotions throughout the day. 我是个情绪化的人，所以我一天内会经历各种各样的情感。
He gave an emotional speech at his retirement party. 他在退休聚会上发表了一番感人的演讲。
She was too emotional to speak. 她太激动了，说不出话来。
emotional还可以用来形容一件事情或一种情况，表示它能够引起人的情感反应，或者与人的情感有关。例如：
It was a very emotional moment for both of them. 这对他们俩来说都是一个非常感人的时刻。
This is not a rational decision, it's an emotional one. 这不是一个理性的决定，而是一个感性的决定。
He has some emotional problems that need to be addressed. 他有一些情感问题需要解决。2. moody
形容词moody的意思是“喜怒无常的，情绪多变的，闷闷不乐的”，用来形容一个人的情绪经常变化，或者经常处于不愉快的心情中。例如：
My neighbour is a good man but he can be moody and has a bad temper. 我的邻居人不错，但他喜怒无常，而且脾气不好。
She's been very moody lately, I wonder what's bothering her. 她最近总是闷闷不乐的，不知道她在烦什么。
Don't take it personally, he's just in a moody mood today. 别往心里去，他今天只是心情不好。moody还可以用来形容一件事情或一种情况，表示它能够引起人的忧郁或沮丧的情绪，或者与人的忧郁或沮丧的情绪有关。例如：
The weather was moody and gloomy, matching his mood. 天气阴沉沉的，和他的心情一样。
He likes to listen to moody music when he's depressed. 他在沮丧的时候喜欢听一些忧郁的音乐。
The film has a moody atmosphere that suits the story. 这部电影有一种忧郁的氛围，很适合故事的情节。
3. temperamental
形容词temperamental的意思是“性情难以捉摸的，情绪不稳定的，易怒的”，用来形容一个人的情绪很容易受到刺激或干扰，或者很容易发脾气或生气。例如：
He's a brilliant artist but very temperamental. 他是一个杰出的艺术家，但是性情难以捉摸。
She's a temperamental child who needs a lot of attention. 她是一个情绪不稳定的孩子，需要很多关心。
He can be quite temperamental at times, so be careful what you say to him. 他有时候会很易怒，所以你说话要小心。
temperamental还可以用来形容一件事情或一种情况，表示它不可靠或不稳定，或者与人的性格或情绪有关。例如：
schedule的形容词This car is very temperamental, it breaks down all the time. 这辆车很不可靠，总是出故障。
The results of the experiment are temperamental, they vary depending on the conditions. 实验的结果很不稳定，它们会随着条件的变化而变化。
He has a temperamental talent for music, sometimes he's brilliant, sometimes he's awful. 他有一种性情的音乐天赋，有时候他很出，有时候他很糟糕。
4. volatile
形容词volatile的意思是“易变的，不稳定的，易爆发的”，用来形容一个人的情绪很容易发生剧烈的变化，或者很容易引起冲突或暴力。例如：
He has a volatile temper, you never know when he's going to explode. 他有一种易变的脾气，你永远不知道他什么时候会爆发。
She's a volatile person, she can be very nice one minute and very rude the next. 她是一个不稳定的人，她一会儿很友好，一会儿很粗鲁。
The situation is very volatile, anything could happen. 情况很不稳定，什么事都可能发生。volatile还可以用来形容一件事情或一种情况，表示它很容易发生变化或波动，或者很容易引起危险或麻烦。例如：
The volcano is very volatile, it could erupt at any time. 火山很不稳定，它随时可能爆发。5. erratic
形容词erratic的意思是“不规律的，不稳定的，反复无常的”，用来形容一个人的情绪很容易受到影响或干扰，或者很难预测或控制。例如：
His behaviour is very erratic, sometimes he's friendly, sometimes he's hostile. 他的行为很不规律，有时候他很友好，有时候他很敌对。
She's been suffering from erratic mood swings lately, she needs to see a doctor. 她最近一直遭受情绪波动的折磨，她需要看医生。
He has an erratic work schedule, he never knows when he has to work. 他的工作时间很不稳定，他永远不知道什么时候要上班。
erratic还可以用来形容一件事情或一种情况，表示它没有规律或规则，或者很难理解或解释。例如：The weather has been very erratic this year, it's hot one day and cold the next. 今年的天气很不规律，一天热，一天冷。
The results of the test were very erratic, they didn't make any sense. 测试的结果很不稳定，他们没有任何意义。
He has an erratic driving style, he keeps changing lanes and speed. 他的驾驶风格很反复无常，他总是变换车道和速度。