1. （表示位置）在…的外面，在…的沿海　at the outside of
2. （表示时间）在…之前　ahead of
3. （表示方向）从…，通向，偏离，从…离开　from; away from
4. （表示比较）低于，不及　be lower than
5. （表示否定）不想，不做　not wishing or needing to take
6. （表示来源）从…from
7. （表示依附）依靠　depend on

　come ～　脱离，从…上掉下来，从…中去除，放弃
　fall ～　从…落下
　get ～　下，离开
　let ～　让…下，放掉，放过，免除
　live ～　以…为食；以…为生
　turn ～　转向，拐弯，使离开，（使）厌烦…，（使）对…失去兴趣
　fly ～ the handle　发怒
　get sth ～ sb's hands　摆脱某事物
　knock sb ～ his perch　击败某人
　wipe ～ the map　从地图上抹去，彻底除掉
　hands ～...　不许碰
　the skin ～ your nose　干杯
　～ key　不合调的
　～ line　不在工作
　～ the map　不重要的
　～ the wind　顺风

　The boat anchored off the fort.　那艘船停在堡垒外面。
　The ship sank off the south coast of the island.　那艘船在岛的南岸沿海沉没。
　It is a few minutes off three o'clock.　还有几分钟就三点了。
　He fell off the ladder.　他从梯子上掉下来。
　The kitchen's off the dining room.　厨房通向餐厅。
　We are going off the subject.　我们正偏离正题。
　He was off his seat.　他离开他的位子。
　They are selling the bikes off the market price.　他们以低于市价的价格卖出自行车。
　He is off tea.　他不想喝茶。
　She's off work with a bad cold.　她因患重感冒而没有上班。
　He borrowed a pound off me.　他向我借一英镑。
　This bear feeds off the leaves of the tree.　这只熊依靠这棵树的树叶生存。

 ♣ off, from, out of
　这三者均可表示“离开，脱离”。off表示与物体的表面或边缘的运动；from表示运动的起点，不指明具体方向；out of表示从物体的内部向外的运动。

1. 离开　at or to a point distant in space; away
2. 脱落　into a state of being disconnected or removed
3. 断开　disconnected at the mains; not being supplied
4. 光，完　so as to be completely finished or no longer
5. 休息　away or free from regular work

　They drove off.　他们开车离开了。
　He's had his beard shaved off.　他把胡子剃掉了。
　The radio is off.　录音机是关着的。
　His money was off yesterday.　昨天他的钱用完了。
　We are off one day.　我们休息一天。

 ♣ be off for
　有需要的某物　have supplies of sth
　How are you off for cash?　你有多少现款?
 ♣ off and on
　断断续续，有时　from time to time
　She cried off and on all day.　她整天不时地哭。

 ♣ off, away
　参见away条。

1. A 休息的；闲散的；安静的　with less than usual activity; quiet
2. P 不新鲜的　no longer fresh

　fish ～　变质的鱼

　The winter is an off season.　冬天是淡季。
　This fish has gone off.　这条鱼已不新鲜。

　［词源］古英语off（离开）