ad.

1. （離）開，（走）開，（隔）開
   They went off together and left me sitting there.

   他們一同離開了，留下我獨自坐在那裡。

2. （時間，空間上）離，距
   The town is five miles off.

   小城離這兒五英里遠。

3. 切斷，關掉，停止；取消；不在工作，休息
   He turned off the light before going out.

   他出門前把燈關掉。

4. 完，光，直到最後
   I've paid off my debts.

   我已把債款還清了。

5. （食品）變壞，變質；不再供應
   The milk has gone off.

   這牛奶已變質。

6. 不如通常水平
7. （消）除，（去）除

prep.

1. 離開……，隔著……；在（離岸邊不遠的）海面
   He lifted a cup off the table.

   他從桌上拿起一隻杯子。

2. 從……脫落，從……掉下
3. 偏離……；失去……
   You're going off the subject.

   你們離題了。

4. 通向……；從……分岔
   The dining room is off the living room.

   餐室通向起居室。

5. 戒掉……；停服……
   He is off smoking.

   他戒菸了。

6. 以……為依靠，以……為食
7. 低於……；折價
   He offered to take 10% off the price.

   他表示願意按原價減去百分之十。

a.[Z]

1. 離去的；偏離的
   I must be off now.

   我這就得走了。

2. 休假的，不上班的
   Tomorrow will be my day off.

   明天我休息（不上班）。

3. 不合時令的[B]
4. 情況不好的；（食物）腐敗的
   This cheese is off.

   這乳酪已變質。

5. （電器等）關著的；（電流等）切斷的[F]
   The electricity is off.

   電流切斷了。

6. 較遠的，另一側的

vt.

1. 宰了

adv.

1. away from the place in question.
2. so as to be removed or separated.
3. starting a journey or race.
4. so as to bring to an end or be discontinued.
5. (of an electrical appliance or power supply) not functioning or so as to cease to function.
6. having specified material goods or wealth:
   how are you off for money?

prep.

1. moving away and often down from.
2. situated or leading in a direction away from.
3. so as to be removed or separated from.
4. having a temporary dislike of.

adj.

1. unsatisfactory or inadequate.
2. (of food) no longer fresh.
3. located on the side of a vehicle that is normally furthest from the kerb. Compare with near (in sense ⁴).
4. Brit. informal annoying or unfair.
5. Brit. informal unwell.

n.

1. (also off side) Cricket  the half of the field towards which the batsman's feet are pointed when standing to receive the ball. The opposite of leg.
2. Brit. informal the start of a race or journey.

v.

1. leave.
2. N. Amer. kill.