1. from one place to another.

The trip takes an hour door to door.

2. at or to every house.

Harris ran a classic political campaign, visiting with folks door to door.

• the brass ring
• the bright lights
• the bright side
• the bubble bursts
• the buck stops here.
• the buck stops with
• the buck stops with .
• the buck stops with someone
• the buck stops with someone.
• the bum's rush
• the bush telegraph
• the business end
• the business end of
• the business end of something
• the calm before the storm
• the cards are stacked against
• the cards are stacked against someone
• the cart before the horse
• the casting couch
• the center of attention
• the change of life
• the chattering classes
• the child from hell
• the [child/house/mother, etc.] from hell
• the chosen few