[iron in the fire] {n. phr.}
Something you are doing; one of the projects with which a person is busy; job,
* /John had a number of irons in the fire, and he managed to keep all of them hot./
- Usually used in the phrase "too many irons in the fire".
* /"Ed has a dozen things going all the time, but none of them seem to work out." "No wonder. He has too many irons in the fire."/