in the middle of (doing) something
idiomPart ofmiddle
in the middle of (doing) something — idiom
1. busy doing something, often when someone or something interrupts you.
1.idiom
Definition
busy doing something, often when someone or something interrupts you.
Example
Reuben was in the middle of cooking dinner when the doorbell rang.
Sorry I missed your call — I was in the middle of a meeting.