Leaving something as-is with 〜っぱなし
Grammar: Condition » 〜っぱなし
っぱなし is appended to a verb stem to show that something has been left in the state or condition from that action, with a negative connotation to leaving it as such.
ぱなし comes from the verb 放す.
Usage Notes
〜っぱなし criticizes an unattended state. The focus stays on the state after the action. Blue tries to sneak into Masaki’s cottage, but the door is locked. Yotsuba invites her neighbors over for coffee. She first gives the three a tour of the house, leading up to the kitchen. Chi’s mother comes into the room.Further Reading
Examples
Leaving a door unlocked with 〜っぱなし

Leaving the futon out with 〜っぱなし

Leaving toys scattered about with 〜っぱなし
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