- off
 - [ɔ:f, ɔf]
 - prep. 离开;脱落
adv. 切断;走开
adj. 远离的;空闲的 
反义词
           - a. on
 
参考例子
           - 1.He took several books off the shelf.
 - 他从书架上取下几本书。
 
- 2.Let us off at the fifth floor.
 - 请让我们在第五层楼下(电梯)。
 
- 3.This shaved off small segments of bone.
 - 这样可以刮到小的骨头碎片。
 
英文解释
           - v.
 - 1.kill intentionally and with premeditation
 - 2.not in operation or operational
 - 3.below a satisfactory level
 - 4.(of events) no longer planned or scheduled
 - 5.in an unpalatable state
 - 6.not performing or scheduled for duties
 
- adv.
 - 1.from a particular thing or place or position (`forth' is obsolete)
 - 2.at a distance in space or time
 - 3.no longer on or in contact or attached
 
网络释义
               - OFF
 - 断开; 关闭; 关闭,断开; 关机;
 
- take off
 - 起飞; 脱下; 动身; 匆匆离开;
 
- call off
 - 取消; 放弃,取消; 叫走; 叫走,叫开;
 
- go off
 - 爆炸; 不再喜欢; 爆炸,开火,突然响起; (电等)中断,停止;
 
- parting off
 - 切断; 分切; 分割; 堵截;