什么是 door?at (someone's) door As a charge holding someone responsible: You shouldn't lay the blame for the fiasco at her door. A movable structure used to close off an entrance, typically consisting of a panel that swings on hinges or that slides or rotates.A similar part on a piece of furniture or a vehicle.A doorway.The room or building to which a door belongs: They live three doors down the hall. A means of approach or access: looking for the door to success. Slang To strike (a passing bicyclist, for example) by suddenly opening a vehicular door.To serve as a doorman or doorwoman of (a nightclub, for example).close To refuse to allow for the possibility of: The secretary of state closed the door on future negotiations. leave the door open To allow for the possibility of: Let's leave the door open for future stylistic changes. show (someone) the door Informal To eject (someone) from the premises.show (someone) the door Informal To terminate the employment of; fire.