Take the door knob off a door and put it back on backwards, then lock it and leave the door open.

取下门把手，装到门的另一侧，并且让门开着。

youdao

Take the door knob off a door and put it back on backwards, then lock it and leave the door open.

取下门把手，装到门的另一侧，并且让门开着。

youdao