dive into

dive into (something)

1. Literally, to jump or leap into something, often a pool. I was so hot after my run that I dove into the pool as soon as I got home.
2. To start a task enthusiastically, perhaps without much forethought. Because we just dove into fixing up our house, every room is under construction at the same time.
3. To begin eating something enthusiastically. Each kid dove into his slice of cake as soon as it was set before him.
See also: dive
Farlex Dictionary of Idioms.

dive into

v.
1. To plunge one's body into something: The swimmer dived into the pool.
2. To start doing something enthusiastically: The class dived into the science experiment.
3. To start eating or drinking something eagerly: The hungry children dove into the pizza.
See also: dive
The American Heritage® Dictionary of Phrasal Verbs.
See also:
  • dive into (something)
  • in at the deep end
  • pool
  • dirty pool
  • take (someone or something) into (something or some place)
  • take into
  • take into some place
  • flow over
  • flow over (someone or something)
  • swimming in something
References in classic literature
"We can run out of the Shark's mouth and dive into the sea."
The two fugitives were just about to dive into the sea when the Shark sneezed very suddenly and, as he sneezed, he gave Pinocchio and Geppetto such a jolt that they found themselves thrown on their backs and dashed once more and very unceremoniously into the stomach of the monster.
Adventures Of Pinocchio
Dive into an adventure with PADI (Professional Association of Diving Instructors), the world's leading scuba diving training organisation.
Explore the ocean with scuba divers in Oman
A trigger is an event that occurred during the dive which "transformed" a normal dive into an emergency.
Diving fatality analysis
The Dubai Mall, a major shopping centre, has introduced the Shark Dive which allows visitors to dive into one of world's largest aquariums in full diving gear and wade amongst 33,000 aquatic animals.
Mall launches 'shark diving' at aquarium
"They were going to try and teach the entire world proper diving techniques so that they could dive into tiny pools."
Taking a dive: diving boards around the country are being removed from community pools due to liability and safety concerns. But are those concerns--and the rising insurance costs--really justified?
* Don't dive into an above-ground pool or into the shallow end of a pool.
Head first: learn poolside precautions before diving into summer
Don't dive into the shallow end of a pool or into shallow water.
Diving do's and don'ts
"If you dive into the shallow end of a pool off the deck or coping versus entering the water from a diving board into a properly designed pool, the diving board would deafly be safer," he adds.
Myth 48: it is safer to dive off the deck than a diving board. (Gauging The Truth)