expression

n.表现，表示，表达；表情，脸色，态度，腔调，声调；[数]式，符号；词句，语句，措辞，说法

noun

表达感情 / 思想 showing feelings/ideas

1. 表示；表达；表露
   things that people say, write or do in order to show their feelings, opinions and ideas
   1. an expression of support
      表示支持
   2. Expressions of sympathy flooded in from all over the country.
      同情之意潮水般地从全国各地涌来。
   3. Freedom of expression (= freedom to say what you think) is a basic human right.
      言论自由是基本的人权。
   4. The poet's anger finds expression in (= is shown in) the last verse of the poem.
      诗人的愤怒在诗的最后一节表达出来。
   5. Only in his dreams does he give expression to his fears.
      他只有在梦中表现出恐惧。

脸上 on face

2. 表情；神色
   a look on a person's face that shows their thoughts or feelings
   1. There was a worried expression on her face.
      她脸上流露出担心的神色。
   2. an expression of amazement/disbelief/horror
      惊讶 / 不相信 / 恐怖的神色
   3. His expression changed from surprise to one of amusement.
      他的神情由惊变喜。
   4. The expression in her eyes told me something was wrong.
      她的眼神告诉我出事了。
   5. facial expressions
      面部表情

词语 words

3. 词语；措辞；表达方式
   a word or phrase
   1. an old-fashioned expression
      陈旧的表达方式
   2. He's a pain in the butt, if you'll pardon the expression .
      请原谅我这么说，他是一个讨厌透顶的家伙。

音乐；表演 in music/acting

4. （演奏乐曲、说话、表演等时流露的）感情，表情
   a strong show of feeling when you are playing music, speaking, acting, etc.
   1. Try to put a little more expression into it!
      尽量注入更多的感情！

数学 mathematics

5. 式；表达式
   a group of signs that represent an idea or a quantity

名词复数形式:expressions

1. Laughter is one of the most infectious expressions of emotion
   笑是最具感染力的情感表达方式之一。
2. From Cairo came expressions of regret at the attack.
   开罗对此次攻击表示遗憾。
3. Her concern has now found expression in the new environmental protection act.
   现在，她所关注的问题已在新的环境保护法案中得以表达。
4. The civil servant's expression, however, did not change, not so much as by a flicker
   然而，那位公务员的表情还是那样，丝毫没变。
5. Levin sat there, an expression of sadness on his face
   莱文坐在那里，神情悲伤。
6. The face is entirely devoid of expression.
   脸上完全没有表情。
7. I don't sing perfectly in tune, but I think I put more expression into my lyrics than a lot of other singers do.
   我唱歌不是特别合拍，但我认为我唱得比其他很多歌手都更富感情。
8. She spoke in a quiet voice but used remarkably coarse expressions.
   她说话声音很小，但是用了些特别粗俗的字眼儿。
9. This forms the basis for our mathematical expression for the electric field.
   这是电场数学表达式的基础。
10. The expression on his face changed from sympathy to surprise
    他脸上的表情从同情变为惊讶。
11. He sensed from the expression on her face that she had something to say
    从她脸上的表情他感觉到她有话要说。
12. An observant doctor can often detect depression from expression, posture, and movement.
    善于观察的医生常常能从人的表情、姿势以及动作诊察出抑郁症。
13. She looked at him with a hurt expression on her face.
    她望着他，脸上流露出受伤的表情。
14. It's enough to make you wet yourself, if you'll pardon the expression.
    这足以吓得你尿裤子了，请原谅我这么说。
15. I am no pedant and avoid being dogmatic concerning English grammar and expression.
    我不是书呆子，不想在英语语法和表达方式上过于教条主义。
16. Under the shaded light her expression was difficult to read.
    她的表情隐在阴影中，很难读懂。
17. This phrase may well have been a rendering of a popular Arabic expression.
    这个短语可能翻译自一个阿拉伯语常用表达。
18. There was a sincere expression of friendliness on both their faces.
    他们俩的脸上都流露出真挚友好的表情。
19. All at once, Mick's serious expression softened into a grin
    米克严肃的表情一下子变成了笑脸。
20. His face was set in an expression of stubborn determination.
    他脸上流露出固执坚定的表情。
21. Her expression suddenly altered
    她的表情一下子变了。
22. His grammar and syntax, both in oral and written expression, were much better than the average.
    无论口头还是笔头，他的文法和句法都非常出众。
23. She was conscious of a troubled expression on Ann's face.
    她注意到了安脸上露出了苦恼的表情。
24. “ Look before you leap ” is a familiar expression.
    三思而行是一个很通俗的说法。
25. This gives expression to the national aspirations for reforms.
    这反映了全国要求改革的心声。
26. This musician has perfect technique but little expression.
    这位音乐家技巧极好，但表现力不足。
27. Language is a means for the expression of thought.
    语言是一种表达思想的方式。
28. The worried expression has disappeared from her face.
    她脸上的愁容消散了。
29. It is the uneducated vulgarity of expression at all.
    这纯粹是未受教育者的一种粗俗说法。
30. Economics is the base and politics the concentrated expression of economics.
    经济是基础，政治则是经济的集中表现。