n.

1. 印象[C][U][（+on）]
   The new teacher made a good impression on the students.

   新老师给学生留下了一个好印象。

2. 模糊的观念；感想[C][+that]
   I have the impression that I've seen that man before.

   我觉得我以前见过那个人。

3. 压印；印记；压痕[C]
   The robber left an impression of his feet in the mud.

   强盗在烂泥里留下了他的脚印。

4. 【印】印刷；印数；印次[C]
5. 影响；效果[U][（+on）]
   My advice seemed to make little impression on him.

   我的忠告似乎对他不起作用。

6. （对名人等的）漫画式模仿[C][（+of）]

n.

1. an idea, feeling, or opinion.
   ▸an effect produced on someone:

   her quick wit made a good impression.
2. an imitation of a person or thing, done to entertain.
3. a mark impressed on a surface.
   ▸Dentistry  a negative copy of the teeth or mouth made by pressing them into a soft substance.
4. the printing of a number of copies of a publication for issue at one time.
   ▸chiefly Brit. a particular printed version of a book, especially one reprinted with no or only minor alteration.
   ▸a print taken from an engraving.