dive in
US /daɪv ɪn/
UK /daɪv ɪn/

1.
tuffarsi, buttarsi a capofitto
to start doing something with enthusiasm and without hesitation
:
•
When the food was served, everyone just dived in.
Quando il cibo fu servito, tutti si tuffarono.
•
Don't hesitate, just dive in and start learning.
Non esitare, tuffati e inizia a imparare.