if sb/sth is in action , they are doing the activity or work that is typical for them :
Just press the button to see your favourite character in action.
I've yet to see all the players in action.
if sb/sth is in action , they are doing the activity or work that is typical for them :
Just press the button to see your favourite character in action.
I've yet to see all the players in action.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005