step into
phrasal verbUK /step ˈɪntuː/
US /stɛp ˈɪntu/
To move your foot and body inside a place.
Please step into the room and close the door.
OTHER MEANINGS
2. To put on a piece of clothing, especially shoes, quickly.
She stepped into her boots and ran outside.
3. To become involved in a situation or take on a role.
He stepped into the role of team leader.
4. To intervene to help or take control.
The teacher stepped into the argument to stop it.