in action

in action

1. Engaged in some activity. I think it's important to for students to see different businesses in action, so they get a sense of how things work when they leave school.
2. Having resumed a previous activity, especially after illness or injury. I need to take today off to deal with this cold, but I should be back in action on Monday.
See also: action
Farlex Dictionary of Idioms.

in ˈaction

working, operating, etc.; doing a particular activity: John’s a great cook — you should see him in action.
See also: action
Farlex Partner Idioms Dictionary

in action

1. mod. healthy and getting around. After I got well, I was in action again immediately.
2. mod. selling or using drugs. (Drugs.) In this neighborhood, somebody is in action twenty-four hours a day.
See also: action
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • at work
  • balls around
  • engaged to (one)
  • engaging
  • engage (one) in (something)
  • engage in
  • engaged
  • on the clock
  • small talk
  • cut one another's throats