in your element
US /ɪn jʊər ˈɛl.ɪ.mənt/
UK /ɪn jʊər ˈɛl.ɪ.mənt/
1.
in a situation that you enjoy and do well in
:
•
She's a natural leader, always in her element when organizing events.
•
He's an excellent chef; put him in a kitchen and he's in his element.