I stood outside the church-door, waiting for the ceremony to begin.

The church-doors were beautifully decorated for the wedding.

The church doors were open for the Sunday service.

The church door creaked open as the congregation entered for Sunday service.

The car doors are locked.

The door-in-the-face technique is a persuasive strategy that involves making a large request first, which is likely to be rejected, and then following it up with a smaller, more reasonable request.

John successfully used the foot-in-the-door technique to persuade his boss to give him a raise.

Opportunity knocks at every man's door.

I love eating cheese doodles while watching movies.

When one door shuts, another opens.