Questions about example sentences with, and the definition and usage of "Impression"

A: It means that we cannot say for sure and we cannot make assumptions on how life was before the era of scientific medicine,

A: = to believe that something is true, when it’s actually not.

I was under the impression that you had finished your work already. = I believed that you had finished your work, but (it seems that) you didn’t.

Before she went to an NBA game, my friend was under the impression that sports are boring to watch.
= My friend used to believe that sports were boring to watch, but watching an NBA game made her realize that it isn’t (boring).

He seemed to be under the impression that more people would come to his party, but nobody else showed up.

A: every part of the impression adds up to the 'overall' impression

the WHOLE impression

"I listened to him talk for a few hours and my 'overall' impression of him is that he is very smart"

A: A good impression
A bad impression
They're both right

The impression you're thinking of is 印象

There's also 物まね/人まね, which is like to do an impression of someone or something

And then there's 刻印を押す which is like putting/impressing a seal or something on an object.

A: That sentence would probably be found in a book, not said out loud. It means the person feels something is a little bit magical or from another world.

A: I was under the impression you were Japanese.

A: He was under the impression that she liked him (meaning he thought she liked him but actually didn't)

A: I was under the impression that you were smart.
I was under the impression that you knew better.

A: I was under the impression that you were busy tonight, but if that is not the case, lets go hang out.

A: No difference. Second is slightly more natural is casual conversation

A: ‘Have left an impression on me’ means that they have had an effect on you. You will remember them.
‘Have left a lasting impression’ is the same but the word ‘lasting’ suggests that you will remember them or this moment for a long time.

A: First impression is like your first thoughts about someone when you meet them for the first time it’s like your initial feelings. For example, I met my new English teacher she was very friendly and helpful so I have a good first impression.
First experience is like your first exposure to something. For example, the first time you eat food as a baby is your first experience of food because it’s something you’ve never had before and it’s new.
I hope this helps☺️

A: no difference. just the use of articles.
we use "a" in general and "the" with something particular.
as for this very expression "a" is used as a listed expression in a dictionary. And each time we're talking about an impression we've got we say "the".
She give the impression that she is keen on the project.

A: There isn't much difference. 'Impression upon' is more old-fashioned -- you would be more likely to use it when speaking formally.

'Impression on' is a shortened, more modern way of saying it. You would be more likely to use this in casual speech.

A: Yup, it's correct!

Your question, though, is a little unnatural. It should be: "Is this sentence correct?"

A: If there were to be a law enforced that required the sterilization of transgender people. Then one could easily say that people who support something like this would like to prevent reproduction involving transgender people.

A: I think it does mean to believe something is true when it’s not
Ex) I’m sorry, I was under the impression that you were one of the students

If you say that you probably thought that the professor/teacher looked a lot more younger than their age so you assumed the teacher was a student.

A: What’s your impression of Japan 🇯🇵?

A:
it would sound better if you use " remember ".

recall is about trying to search in your memories to remember a particular fact or event.
"I cant recall seeing him at the party"

"I didn't remember to buy bananas from the store"

A: "What's your impression of me?" is correct. It can also be used like this "He made a big impression on me growing up." I have never heard "impression in me".

A: × It seems that some Japanese have the impression that foreigners speak straight.
✓ Some Japanese people have the impression that foreigners speak straightforward.

× If my English ability is low, there are no variations, so I hate it straight away.
✓ My English ability is low, so there are no variations, and I hate it straight away.

× I'm going to tell you.

よく分からない文章もありましたが、頑張ってみました。お役に立てればと思います。 翻訳機を使いました。意味がわからなかったらごめんなさい。

A: Check the question to view the answer

A: I’m sorry to hear that you were uncomfortable everywhere else you visited. If you decide to come again, I hope you will have a better experience. Japanese people (and Asian people in general) should be just as welcome here as anyone else.

Where I live, a lot of tourists come in the summer. I can hear many languages being spoken when I’m out in the more popular areas, including Japanese. I think it’s wonderful to be able to experience.

Thanks for telling me more details about it! Sounds like it was really fun and beautiful there.

With a search, I found this:

25th. Friendliest State: North Dakota

This is one of the least-populated and visited states in America, but it’s certainly nothing to do with its great locals. North Dakotans are down-to-earth and willing to help, without expecting anything in return. Our readers scored the state highly on its community vibe.

Check out The Most Instagrammable Spots In North Dakota (https://bigseventravel.com/north-dakota-instagram-2/)

South Dakota was ranked 20th on that list.

A: × When I imagine Tom Hanks, I can come up with some characters.
✓ When I think of Tom Hanks, I can come up with a few characters.

× For example: A honest but a slightly mentally disabled guy of Forrest Gump, a workaholic guy but finally went mad on an isolated island of Cast Away, a man who speaks an unknown language and trapped in the airport of Terminal.
✓ For example: The honest but slightly mentally disabled Forrest Gump, a workaholic that finally went mad on an isolated island in "Cast Away," and a man who speaks an unknown language trapped in an airport in "Terminal."

× When I imagine Wentworth Miller, maybe everyone knows as Michael Scofield, I can only come up with a character of Prison Break.
✓ When I think of Wentworth Miller, who most may know as Michael Scofield, I can only come up with his character in "Prison Break."

× I think the difference between of two guys is brought by the differences of a movie actor and of a TV drama actor.
✓ I think the variation between the two actors is rooted in the differences between movies and TV dramas.

× TV drama lasts long, sometimes more than 5 years long.
✓ TV dramas last longer, sometimes more than 5 years for a complete series; movies are typically a one and done deal.

× That installs strong impression to us.
✓ Continued exposure to a character leaves a strong impression on us.

× It's difficult to change his impression, and it makes him difficult to appear in other series.
✓ It's difficult for a TV drama actor to change this impression, which makes it troublesome to appear in other series. The audience may feel a sense of disorientation upon seeing a known character acting contrary to expectations.