Idioms and Phrases with swing into action
swing into action
Energetically start doing something, as in Come on, let's swing into action before the others arrive. This idiom uses swing in the sense of “move vigorously.”
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.