put off和put back都有“推迟”的意思,它们的用法有什么不同?

在拖延时间上用法相同.put off
延期
They decided to put the meeting off until after Christmas.
他们决定把会议推迟到圣诞节以后.
Owing to the state of the ground,the match has been put off.
由于场地状况不佳,比赛推迟了.
The appointment was put off because of his illness.
由于他生病而推迟了约会.
If you think you are sick you should not put off going to the doctor.
如果你觉得有病就不应该拖,要快去看医生.
阻碍做某事
I wanted to say something,but her face quite put me off.
我本来要说几句,但看到她的脸色,又没有勇气开口了.
We are going there tomorrow — not even bad weather could put us off.
我们明天要去那儿,即使天气不好也要去.
They had intended going into the country for the day,but were put off by reports of traffic jams.
他们本来打算那天到乡下去,但听说交通拥挤就作罢了.
(停车)让某人下
Ask the conductor to put you off at the Odeon.
告诉售票员在奥汀提醒你下车.
Where do you want to be put off?
你在哪儿下车?
使分心
I don't like music playing when I'm working.It puts me off.
我不喜欢工作时放音乐,那会使我分心.
If I am once put off I find it very difficult to recapture the same train of thought.
我一旦受到打扰,发觉自己很难回到原来的思路上来.
关掉
Please put off all the lights as you leave the building.
离开这所房子时,请你把所有的灯都关上.
Under the official regulations the central heating was put off on March 15th each year.
据正式规定,每年3月15日停止供应暖气.
敷衍,推诿
When he asked her to name a day for their wedding,she put him off.
当他要她订个结婚的日子时,她却支支吾吾不说.
I'm not going to be put off with that excuse.
我不会被那个借口敷衍过去的.
I won't be put off with such vague promises.
这种含糊的诺言是敷衍不了我的.
脱去(衣、帽等)
Please put off your shoes before entering this holy building.
在进入这所神圣的殿堂之前,请把鞋脱掉.
丢弃,摆脱
You must put off your doubts.
你必须消除你的疑虑.
He had put off all personal cares.
他已摆脱了一切个人的牵累.put back
放回原处
The boy put the ink bottle back where it came from.
那男孩把墨水瓶放回原处.
拨回,向后推
You cannot put back the clock.
时间是不会倒转的.
The date had been put back from March to April.
日期由三月推迟到四月.