door

名词 door:

1. a swinging or sliding barrier that will close the entrance to a room or building or vehicle
2. the entrance (the space in a wall) through which you enter or leave a room or building; the space that a door can close
   同义词：doorway, room access, threshold
3. anything providing a means of access (or escape)
4. a structure where people live or work (usually ordered along a street or road)
5. a room that is entered via a door

1. Our courses are the door to success in English.
   我们的课程是学习英语的成功之路。
2. Our other branch is just a few doors down the road.
   沿这条路再走几家就是我们的另一个分店。
3. The journey takes about an hour, door to door.
   从这家到那家的路程要用一小时。
4. This agreement opens the door to advances in every field.
   这项协议开启了各个领域进步之门。
5. Who lives next door?
   谁住在隔壁？
6. Diligence is often the door to success.
   勤奋常会引向成功。
7. Open the door, please.
   请把门打开。

door

n.（名词）

A movable structure used to close off an entrance, typically consisting of a panel that swings on hinges or that slides or rotates.
门：一种用于关闭入口活动装置，典型的由一块板上有铰链转动或为拉动式或为旋转式的组合
A similar part on a piece of furniture or a vehicle.
类似门的装置：车辆或家具上的类似部件
A doorway.
门口：出入口，门道
The room or building to which a door belongs:
户，间：房间或建筑物的门：
例句：
They live three doors down the hall.
他们住大厅过去的第三间

A means of approach or access:
途径，方法：到达或进入的途径：
例句：
looking for the door to success.
寻找成功的途径

n.attributive.（定语名词）
Often used to modify another noun:
经常用于修饰另一名词：
例句：
a door chain; a door handle.
门链；门把手

v.tr.（及物动词）
doored,door.ing,doors
Slang To strike (a passing bicyclist, for example) by suddenly opening a vehicular door.
【俚语】 突然撞击：突然打开车门撞击（路过骑自行车者等）
To serve as a doorman or doorwoman of (a nightclub, for example).
当门卫：给（夜总会等）当门卫

<习惯用语>at (one`s) door
Within one`s sphere of accountability.
职责：在某人的责任范围之内
close the door on 或
shut the door on
To refuse to allow for the possibility of:
拒绝：使没有可能：
例句：
The secretary of state closed the door on future negotiations.
国务卿使得即将的谈判无法进行

leave the door open
To allow for the possibility of:
保留可能性：
例句：
Let`s leave the door open for future stylistic changes.
我们得考虑到将来改变风格的可能

show (someone) the door【非正式用语】
To eject (someone) from the premises.
撵出：把（某人）赶出某建筑物
To terminate the employment of; fire.
不再雇佣；解雇
来源：
Middle English dor
中古英语 dor
from Old English duru, dor * see dhwer-
源自 古英语 duru, dor *参见 dhwer-

【引伸】
door.less
adj.（形容词）