When do you go back to college?
I put the tin back in the cupboard.
She [went] back home at once. (Skills for Life (Entry 1); A1; Polish)
I'm busy at the moment - can I call you back?
I waved to her and she waved back.
Write back to me soon. (Key English Test; A2; Chinese)
He sat back on the sofa.
Anna stepped back.
I cried [out], stepping back and falling down. (First Certificate in English; B2; Polish)
It's not badly broken - I'm sure we can put it back together again.
Hopefully things will get back to normal soon.
I was woken by a thunderstorm, and I couldn't get back to sleep.
My life was back to normal. (First Certificate in English; B2; Danish)
We first met back in 1971.
This tradition dates back to the 16th century.
All in all, it is difficult to get bored in Moscow, where you can see buildings which date back to centur[i]es ago. (First Certificate in English; B2; Russian)
He pulled back the curtain.
The house is set back from the road.
The action of the book takes place in a lonely inn standing back from the road. (First Certificate in English; B2; Polish)
He has to travel back and forth between London and Paris every week.
Finally, after much walking back and forth, we found a road which we followed till we got to the town. (Certificate of Proficiency in English; C2; Spanish)
He wrote her email address down on the back of an envelope.
Our seats were right at the back of the theatre.
My cousins love mermaids, so each sweater has one on the back. (Key English Test; A2; Spanish)
I've got a bad back.
He lay on his back, staring at the ceiling.
The look on his face stopped me cold, as if someone had just poured freezing water down my back. (Preliminary English Test; B1; French)
You've got your trousers on back to front.
Therefore, the government needs to cut expenditure and as a result of this, health faciliti[es] will only be accessible for rich people. Then we are back to front. (Certificate of Proficiency in English; C2; Dutch)
Have they been saying things about me behind my back?
The food must be perfect, too, or else her mother-in-law and my father's sisters will think that she's not a proper wife, and will probably say insulting things about her behind her back. (Certificate of Proficiency in English; C2; Greek)
She turned her back on Hollywood and went to live in Florida.
She gets to learn that Olivia turned her back on her past and merged totally with India through her attraction to and sympathy for the Nawab. (Certificate of Proficiency in English; C2; Catalan)
She calls him lazy and useless, but it's like water off a duck's back.
The main lesson I have learned is by looking at some people who have lived alone for most of their life and faced with neither contradiction nor argument, they stay in their ivory tower, so sure of their opinions that whatever you say is like water off a duck's back. (Certificate of Proficiency in English; C2; French)
a back door/garden
the back page/seat
I put it in the back pocket of my jeans.
There are two movies, but one is for adults so we will see "The back garden". (Preliminary English Test; B1; Spanish)
We wandered through the back streets, looking for Tommy.
From the museum you have to walk across a pedestrian street, through an unspoiled district, where a jumble of narrow back streets retain old-world characters. (Certificate in Advanced English; C1; French)
She saw he had a gun and backed away.
He backed into a wall when he was trying to park.
When he backed out of the [car park] he almost crashed into another car. (Certificate of Proficiency in English; C2; German)
He backed Mr Clark in the recent election.
Parents backed the idea by more than two to one.
Of course, without [the] people wh[o] are backing the leader in his fight, he could not achieve his success. (Certificate of Proficiency in English; C2; Polish)
I saw he had a knife and backed off immediately.
Mad Dog would kill him if he tried to back off. (Certificate of Proficiency in English; C2; Portuguese)
Nigel backed out at the last minute, so we had a spare ticket.
When the other person backs out, then what will you do? (Certificate of Proficiency in English; C2; Dutch)
My family backed me up in my fight for compensation.
These courses seem to have been popular perhaps because the teacher of these courses was there to back up and help the students. (First Certificate in English; B2; Greek)
Honestly, that's exactly what happened - Claire'll back me up.
Was I obliged to leave her [to] live such a lie and back her husband up [in] the double life he was living? (Certificate of Proficiency in English; C2; Greek)
His claims are backed up by recent research.
To back up this claim, the case of children who have grown up in orphanage houses is often cited. (Certificate of Proficiency in English; C2; Japanese)
Always back up any music you download in case your computer crashes.