turn back
- 往回走，（使）返回，（使）折回;重新开始（做某事）;（某人/某事）置之不理，对（某人/某事）撒手不管;无法改变计划，无法收回成命;转身背对（某人或某物）
turn backThese words all mean to come or go back from one place to another.以上各词均含回来、回去、返回之义。
to come or go back from one place to another指回来、回去、返回：
I waited a long time for him to return.
我等他回来等了很长时间。
to return指回来、返回
to return to the place you recently or originally came from or that you have been to before指回去、返回
to arrive back somewhere, especially at your home or the place where you are staying指返回、回去，尤指回家：
What time did you get back last night?
你昨晚什么时候回家的？
to return the way that you came, especially because sth stops you from continuing指原路返回、往回走，尤指因某事阻止而不能继续前进：
The weather got so bad that we had to turn back.
天气变得非常恶劣，我们不得不循原路折回。
turn back
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1
PHRASAL VERB-ERG (使)返回;(使)折回
If you turn back or if someone turns you back when you are going somewhere, you change direction and go towards where you started from.She turned back towards the crossroads...
她折回十字路口。
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2
PHRASAL VERB 无法改变计划;无法收回成命
If you cannot turn back, you cannot change your plans and decide not to do something, because the action you have already taken makes it impossible.The administration has now endorsed the bill and can't turn back.
政府部门如今已经签署了那项法案，没有挽回的余地。
verb
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1
- turn inside out or upside down
- Synonym: invert reverse
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2
- go back to a previous state
- We reverted to the old rules
- Synonym: revert return retrovert regress
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3
- hold back, as of a danger or an enemy;check the expansion or influence of
- Arrest the downward trend
- Check the growth of communism in South East Asia
- Contain the rebel movement
- Turn back the tide of communism
- Synonym: check arrest stop contain hold back
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4
- force to go away;used both with concrete and metaphoric meanings
- Drive away potential burglars
- drive away bad thoughts
- dispel doubts
- The supermarket had to turn back many disappointed customers
- Synonym: chase away drive out drive away dispel drive off run off
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5
- retrace one's course
- The hikers got into a storm and had to turn back
- Synonym: backtrack double back
数据来源：WordNet
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And when they got up , he told them to turn back .
站起身后，他竟让他们往回走。
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Shall we turn back ? The snow is getting heavier .
咱们是不是往回走？雪大起来了。
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The weather got so bad that we had to turn back .
天气变得非常恶劣，我们不得不循原路折回。
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His group was forced to turn back and take an alternate route .
他的小组被迫返回并选择了另一条路线。
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They were very nearly forced to turn back
他们差点被迫返回。
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The administration has now endorsed the bill and can 't turn back .
政府部门如今已经签署了那项法案，没有挽回的余地。
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It was too late and too urgent to turn back . The die was cast .
现在为时已晚，来不及回头。事情已成定局了。
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The horsemen reined in and shouted at the men behind to turn back
骑手们勒缰停住，对身后的人大嚷，让他们回去。
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Police attempted to turn back protesters marching towards the offices of President Ershad .
警方试图迫使向艾尔沙德总统官邸进发的抗议者原路返回。
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We have no choice but to turn back .
没办法，我们只有回去。
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Finding the road impassable , we had to turn back .
道路不通，我们只得退回。
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When they saw no one there , they would turn back ;
回头望不见人，便又转过来；
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At half a tank , I had no choice but to turn back .
一旦用完了半箱油，我就不得不返回了。
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But fortunately , there are still several months left before the friend ’ s internship ends . And anyway , it was the institution which proposed the job in the first place . So there is still a chance for him to turn back .
不过还好，这位朋友的实习期还有几个月，而且毕竟是机构要留他，之后还有回头的机会。
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If you could turn back time , what would you do ?
如果你可以让时光倒流的话，你将做什么呢？
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A high efficiency model of subway ′ s turn back station
一种高效的地铁折返站型
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I know well enough a way to turn back .
我知道一个好办法去挽回一切。
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Therefore , engineering education must turn back the actual engineering practice .
因此，工程教育必须要回归工程实践，而产学研合作教育则是工程教育改革的一条有效途径。
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Do you think that now , I can still turn back ?
你以为到了现在，我还回得了头么？
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He says he will not turn back with the others .
他说他不会和其他人一起回去。
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Turn back the clock because we 're going back in time !
时光倒转，让我们回到过去！
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It looks like rain . We 'd better turn back .
像是要下雨了。我们最好还是折回去吧。
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We 'll go so far and then turn back .
我们走的不太远就返回。
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Does it make sense for China to turn back the hands of time ?
让时间倒流，这对中国有意义么？
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My idea is to turn back right now .
我的意思是立退返回。
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And it 's time for me to turn back and keep walking .
每次你汲取了教训，你就可以继续往前走了。
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So why didn 't they turn back then ?
那当时为什么不返航呢？
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But having come so far she was determined not to turn back .
但是，都走了这么远的路了，所以她决定不回去了。
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If everything could turn back , I would not have so many kids !
如果一切可以重来，我才不会生这么多孩子！
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Let him turn back and go home .
让他折返回家去吧。