in the midst
Also, in one's midst. Surrounded by, among, as in I saw a familiar face in the midst of the crowd, or To think there was a Nobel Prize winner in our midst! [c. 1500s]
See in the middle of, def. 1.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.