close the door

close the door or bar the door or shut the door  {v. phr.}

To prevent any more action or talk about a subject.

The President's veto closed the door to any new attempt to pass the bill.

Joan was much hurt by what Mary said, and she closed the door on Mary's attempt to apologize.

After John makes up his mind, he closes the door to any more arguments.

Contrast: OPEN THE DOOR.