be in the thick of things

be in the thick of things

To be very busy; in the middle of or preoccupied with something or several things. Sorry I couldn't make it to your birthday lunch on Wednesday, I'm afraid I'm really in the thick of things at the moment. Even when you are in the thick of things, try to take a moment each day and take a deep, calming breath.
See also: of, thick, thing
References in periodicals archive ?
While you can't control what they do, you can keep busy this summer so you won't be in the thick of things at home.