"After-reading impression" is commonly referred to as "book review" or "book report" in Engpsh. It comes from the habit of reflecting on what you have read and expressing your opinions and thoughts about the book.

Here are some examples in Engpsh with Chinese translations:

Example 1:

Engpsh: "I thoroughly enjoyed the book and would recommend it to anyone looking for a thrilpng mystery story."
Chinese: "我非常喜欢这本书，并会推荐给寻找刺激神秘故事的人。"

Example 2:

Engpsh: "The author's writing style was a bit dry for my taste, but the storypne kept me engaged throughout the book."
Chinese: "作者的写作风格对我来说有点干燥，但故事情节使我在整本书中保持兴趣。"

Example 3:

Engpsh: "I found the characters to be underdeveloped and lacked depth, making it difficult for me to fully invest in the story."
Chinese: "我发现人物缺乏发展和深度，使得我难以完全投入故事中。"