spring into action

English

spring into action (third-person singular simple present springs into action, present participle springing into action, simple past sprang into action, past participle sprung into action)

To begin doing something or become active suddenly and very quickly.
- 2017, David Walliams [pseudonym; David Edward Williams], Bad Dad, London: HarperCollins Children’s Books, →ISBN:
  At once the two henchmen sprang into action. Fingers grabbed Frank by looping his arms under the boy’s. He scooped him off the floor. “Get off me!” screamed the boy as he struggled to get away.
- 2021 September 15, Edward Felsenthal, quoting José Andrés, “How We Chose the 2021 TIME100”, in Time‎^[1]:
  “Springing into action is not the easy choice,” chef and humanitarian José Andrés, a two-time TIME100 honoree, writes in his tribute to Prince Harry and Meghan, The Duke and Duchess of Sussex.

begin doing something or become active suddenly and very quickly.