get the door

bang down the door

To present oneself as a strong candidate for a role or achievement, explicitly or implicitly.

can't get enough

Greatly enjoys; likes a lot.

close the stable door after the horse has bolted

To attempt to prevent a problem that has already occurred; to design and implement a preventive mechanism that is too late (after the first failure instead of before).

could not get elected dogcatcher

Said of someone, particularly a politician, who is extremely unpopular.

darken a church door

To go to church to attend a service.

darken someone's door

To arrive at someone's residence or location, especially as an unexpected visitor.

don't get someone started

Used to attempt to avoid or abbreviate a discussion that speaker or hearer may wish to avoid.

don't let the door hit you on the way out

Used as a command to leave in haste, or to indicate that one is glad, or at least unmoved, to see the addressed person leaving.