In (one's) midst phrase
In, surrounded by, or in the middle a specific group of people.
He was the only one to survive in their midst after the ship sunk.
If there hadn't been a traitor in our midst, why would our secret be disclosed?
The origin of this phrase is not clear.
This phrase is used to describe something very modern or updated or something that no longer looks like what it's used to.
It has been a long time since I left my high school, and now I have to admit that it's certainly not your father's high school anymore.