好词典

off

UK /ɒf/US /ɔːf/

词源

源自中古英语 'of', 古英语 'of', 与德语 'ab' 同源,表示离开或分离的意思。

adverb

❶ 表示离开某处或脱离某种状态,常用于描述动作的方向或位置的改变。

“She took her coat off and hung it up.”

(她脱下外套并挂了起来。)

“The plane took off smoothly.”

(飞机平稳地起飞了。)

❶ 表示某物不再运作或停止使用,常用于电器、设备等。

“Make sure the TV is off before you go to bed.”

(睡觉前确保电视已经关了。)

“The power went off during the storm.”

(暴风雨期间停电了。)

同义词:away, apart, disconnected

adjective

❶ 表示某物不再运作或处于关闭状态,常用于描述设备或活动。

“The lights are off in the building.”

(大楼里的灯都关了。)

“The meeting is off today.”

(今天的会议取消了。)

同义词:inactive, disconnected

常见短语

off and on — 表示某事断断续续地发生,常用于描述不规律的状态或行为。

“It rained off and on all day.”

(雨断断续续下了一整天。)

off the top of my head — 表示未经仔细思考或回忆,常用于描述即兴的回答或想法。

“Off the top of my head, I can think of three reasons.”

(我一时能想到三个理由。)

off the record — 表示某信息不应被公开或正式记录,常用于非正式谈话或保密内容。

“This is off the record, but the project is delayed.”

(这是非正式的,但项目延期了。)