get your feet wet

US /ɡɛt jʊər fit wɛt/
UK /ɡɛt jʊər fit wɛt/
"get your feet wet" picture
1.

to begin to do a new job or activity in order to get some experience

:
I'm just starting out in this field, so I'm trying to get my feet wet with some smaller projects.
Before taking on a big role, she wanted to get her feet wet as a volunteer.