用作定语
▲～+n.
The winter is an off season.冬天是淡季。
用作表语
▲S+be+～
This fish has gone off.这条鱼已不新鲜。

［词源］＜古英语off(离开)

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。

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。

off, away
参见away条。

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。