"Je ne me sens pas très bien au milieu de tous ces gens."

Translation: I do not feel very well in the middle of all these people.

[deactivated user]

What is wrong with in the midst of all these people?

[CommeuneTexane]

That is also correct. Added!

[BashP]

I'm also glad that was accepted. It sounds better to me.

[Henri545885]

Why not "I don't feel well in the middle of all these people? "

[CommeuneTexane]

You dropped the word très/very.