behind

after, behind, at the back of

• the student sat after me.
  那个学生坐在我后面。(我坐在他前面)。
• who ruled after james i?
  詹姆斯一世之后是谁统治的?
• please shut the door after you.
  请随手关门。

• the student sat behind me.
  那学生坐在我背后。
• you are forty minutes behind schedule.
  你比规定的时间迟了40分钟。
• please shut the door behind you.
  请关上你身后的门。

back, backward, hind, behind

名词 behind:

1. the fleshy part of the human body that you sit on
   同义词：buttocks, nates, arse, butt, backside, bum, buns, can, fundament, hindquarters, hind end, keister, posterior, prat, rear, rear end, rump, stern, seat, tail, tail end, tooshie, tush, bottom, derriere, fanny, ass

形容词 behind:

1. having the lower score or lagging position in a contest

副词 behind:

1. in or to or toward the rear
2. remaining in a place or condition that has been left or departed from
3. of timepieces
   同义词：slow
4. in or into an inferior position
5. in debt
   同义词：behindhand, in arrears

1. The others are a long way behind.
   其他人落在后面很远。
2. He's behind in handing in homework.
   他没能按时交家庭作业。
3. He is behind the plan.
   他是幕后策划人。
4. Your watch runs behind.
   你的表慢了。
5. Don't look behind or you may fall.
   别向后看，不然你会摔跤的。

be.hind

adv.（副词）
In, to, or toward the rear:
在后面地：在、向或朝向尾部地：
例句：
We walked behind.
我们在后面走

In a place or condition that has been passed or left:
落后地：处于被别人超过或丢下的地点或状态地：
例句：
I left my gloves behind.
我把手套落下了

In arrears; late:
迟；晚：
例句：
I fell behind in my payments.
我付款逾期了

Below the standard level; in or into an inferior position:
不如：处于标准水平以下；处于低于他人的位置：
例句：
Don`t fall behind in class.
别在班上掉队

Slow:
慢：
例句：
My watch is running behind.
我的表慢了

Archaic Yet to come.
【古语】 还未到
prep.（介词）
At the back of or in the rear of:
在…之后：在后面或在…的后部：
例句：
He sat behind her.
他坐在她后面

On the farther side or other side of; beyond:
在另一边：在…另一侧或在…较远的那边；远于：
例句：
The broom is behind the door.
扫帚在门背后

In a place or time that has been passed or left by:
在…后边：处于已过去的或被落下的时间或地点：
例句：
Their worries are behind them.
他们的烦恼已过去

Later than:
迟于…：
例句：
The plane was behind schedule.
飞机晚点了

Used to indicate deficiency in performance:
落后：表明行动上的不足、欠缺：
例句：
behind us in technological develpment.
在技术发展上落后于我们

Hidden or concealed by:
掩盖：被…隐藏、掩盖：
例句：
hatred hidden behind a bland smile.
和蔼的微笑后隐藏着仇恨

In the background of; underlying:
基于…；潜在的原因：
例句：
Behind your every action is self-interest.
你的每一行动都出于个人私利

In a position of support; at the back of:
支持：处于支持位置；后盾：
例句：
The leaders have the army behind them.
那些领袖有军队作为后盾

In pursuit of:
追求，追赶：
例句：
The police were hard behind the escapees.
警察正在紧追逃犯

n.（名词）
Informal The buttocks.
【非正式用语】 屁股

来源：
Middle English bihinde
中古英语 bihinde
from Old English behindan * see ko-
源自 古英语 behindan *参见 ko-