Understanding Lecturers
Firstly, you're trying to learn something the lecturer is completely familiar with and has long ago forgotten how to relate to an absolute beginner.
As if that isn't enough, they use what is known as "Unispeak".
If some of the following phrases are starting to sound familiar then here is the real world translation.

If you follow these few simple rules, you'll do fine in thecourse.
If you don't need any sleep, you'll do fine in the course.
The gist of what the author is saying is what's most important.
I don't understand the details either.
Various authorities agree that..........
My hunch is that.......................
The answer to your question is beyond the scope of this class.
I don't know.
We can continue this discussion outside of class.
1) I'm tired of this - let's quit.
or
2) You're winning the argument - let's quit.
Today we'll let a member of the class lead the discussion. It will be a good educational experience.
I stayed out too late last night and didn't have time to prepare anything.
The test scores were generally good.
Some of you managed to get a C.
The test scores were a bit below my expectations.
Where was your party last night?
Some of you could have done better.
Most of you failed.
Before we begin today's lecture today are there any questions about the previous material ?
Has anyone opened the book yet?
Find out the real world translations for students.
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