get stuck in
US /ɡɛt stʌk ɪn/
UK /ɡɛt stʌk ɪn/

1.
to start doing something with energy and determination
:
•
Let's get stuck in and finish this project by tonight.
•
The team was eager to get stuck in and solve the problem.
2.
to start eating something with enthusiasm
:
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The kids couldn't wait to get stuck in to the birthday cake.
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Dinner's ready, everyone get stuck in!