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dive in

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dive in

To begin or undertake something quickly, enthusiastically, and without trepidation. I know you're nervous about starting school, but you just need to dive in and do your best!

See also: dive

dive in

v.

1. To plunge one's body into something: The swimmer stood at the edge of the pool and dived in. The bird flew up suddenly before diving in the water.

2. To start enthusiastically: The teacher laid out the chemistry equipment, and the students dived in.

3. To start eating eagerly: I'm getting hungry, I can't wait to dive in. Here's the pizza; dive in!

See also: dive