impression

idea, concept, conception, thought, notion, impression

这些名词均有“思想、观点、观念”之意。
idea: 最普通常用词，几乎适用于任何方面的思维活动。
concept: 指从众多实例中通过概括、归纳而形成的对事物本质、全貌及其内部联系的概念或看法。
conception: 通常指个人或一些人所持有的具体概念或念头，也可指概念的形成过程，含一定的想象和感情色彩意味。
thought: 指以推理、思考等智力活动为基础的心理思维活动及其结果。
notion: 指的是一种模糊的，变化莫测的想法，无可靠的基础，未经深思熟虑的观点。
impression: 指外部刺激在思想中所产生的印象。

名词 impression:

1. a vague idea in which some confidence is placed
   同义词：feeling, belief, notion, opinion
2. an outward appearance
   同义词：effect
3. a clear and telling mental image
   同义词：mental picture, picture
4. a concavity in a surface produced by pressing
   同义词：depression, imprint
5. a symbol that is the result of printing
   同义词：stamp
6. all the copies of a work printed at one time
   同义词：printing
7. (dentistry) an imprint of the teeth and gums in wax or plaster
8. an impressionistic portrayal of a person
9. the act of pressing one thing on or into the surface of another

1. Punishment seemed to make no impression on the child.
   惩罚对这孩子似乎没什么效果。
2. Her gentleness has given me a deep impression.
   她的亲切给我留下了很深的印象。
3. The students did some marvellous impressions of the teachers at the end-of-term party.
   在期末联欢会上，学生模仿教师惟妙惟肖令人捧腹。
4. I am surprised you got an unfavorable impression of him.
   我很惊讶你对他印象不佳。
5. What were your first impressions of Beijing?
   你对北京的最初印象如何？

im.pres.sion

n.（名词）
An effect, a feeling, or an image retained as a consequence of experience.
印象，感想：作为经历的结果留下来的效果、感觉或者形象
A vague notion, remembrance, or belief:
模糊的观念、记忆或者信念：
例句：
I have the impression that we have met once before.
我隐约记得我们以前曾经见过面

A mark produced on a surface by pressure.
印记，印痕：由于压力而在表面上形成的痕迹
The act or process of impressing.
印制的动或者过程
Printing
【印刷术】
All the copies of a publication printed at one time from the same set of type.
印数，印次：用同一个版本一次印刷的所有印刷物
A single copy of such a printing.
印刷品：这样的印刷品中的一份
A humorous imitation of the voice and mannerisms of a famous person done by an entertainer.
趣味模仿：演员对名人的声音和仪态的幽默的模仿
An initial or single coat of color or paint.
底色，漆层：最初的或单一的颜料或漆层
Dentistry An imprint of the teeth and surrounding tissues, formed with a plastic material that hardens into a mold for use in making dentures, inlays, or plastic models.
【牙科学】 印模：牙齿及周围组织的印痕，由塑料材料制成，变硬后成为一个模子，用于制造假牙、镶嵌物或者塑料模型

<参考词汇><同义词>impression,impress,imprint,print,stampThe central meaning shared by these nouns is .a visible mark made on a surface by pressure.:
这些名词共有的中心意思是.用压力形成的表面上看得见的印记.：
例句：
an impression of a notary`s seal on wax;
蜡上的公证人印章戳记；

例句：
the impress of bare feet in the sand;
沙滩上的光脚脚印；

例句：
a medal marked with the imprint of a bald eagle;
一块带有秃鹰标记的奖章；

例句：
a tar driveway with the print of automobile tires;
有汽车轮胎印痕的柏油路；

例句：
a gold ingot with the refiner`s stamp.
带有锻工标志的金锭