turnin
turnin — verb
- turninpresent simple I / you / we / they
- turnins3rd person singular
- turnining-ing form
- turninedpast simple
1. to give a document, piece of work, or item to the person who asked for it or is
to give a document, piece of work, or item to the person who asked for it or is responsible for receiving it
Asher turned in his essay just minutes before the six o'clock deadline.
turn in + [assignment/essay] (school context)
Tara found a wallet on the bus and turned it in to the driver.
turn + object + in (separable phrasal verb)
Hamza turned in his notice on Monday and started packing his desk.
The police asked local residents to turn in any guns left at the old house.
Dylan turned in his science project a whole week before the due date.
- hand back
to return something to the person who gave it to you
文法句型
turn in + object
turn + object + in
用法筆記
The object can sit between 'turn' and 'in' ('turn it in') or after the whole phrase ('turn in your work'). Typical objects are things you owe or have been asked to provide: homework, reports, keys, found items, resignations.
常見錯誤
2. to stop what you are doing in the evening and get into bed for the night
to stop what you are doing in the evening and get into bed for the night
Tendai felt exhausted and decided to turn in early after the long flight.
turn in + early (collocation)
The children turned in at nine, still laughing about the birthday party.
Caio read for twenty minutes before turning in, as he always did.
It was past midnight when Léa finally turned in after finishing her report.
I think I will turn in now — the morning meeting starts at six.
- go to bed
neutral register; can be used in any context
- call it a night
more informal; suggests ending the whole evening, not just going to sleep
- hit the sack
very informal slang
- get up
to leave your bed in the morning
文法句型
turn in
用法筆記
Always intransitive — you cannot 'turn someone in' to mean putting them to bed. Common in informal spoken English; 'go to bed' is the neutral alternative.
常見錯誤
3. to report a person to the police or another authority, usually because you belie
to report a person to the police or another authority, usually because you believe they have done something illegal or wrong
The security guard turned Anthony in after spotting him on the camera.
turn + person + in (report to authority)
Ilan's own cousin turned him in to the tax authorities last year.
turn + person + in + to + authority
The shopkeeper was afraid someone would turn her in for the small mistake.
A neighbour turned the thief in after recognising his photo in the newspaper.
The gang member turned his former partners in to get a lighter sentence.
- cover for
to protect someone by hiding their mistake or wrongdoing
文法句型
turn in + person
turn + person + in + to + authority
用法筆記
The person being reported can go between 'turn' and 'in' ('turn him in') or after the phrase ('turn in the suspect'). Often followed by 'to' and the authority: 'turn someone in to the police.'
常見錯誤
4. to leave a main road and enter a driveway, lane, or smaller street by making a t
to leave a main road and enter a driveway, lane, or smaller street by making a turn
Hiro turned in at the narrow lane just past the old stone church.
turn in + at + place
We turned in to the hotel entrance and a valet opened the car door.
Joaquín missed the gate and had to reverse before he could turn in.
The delivery van turned in at the loading bay behind the supermarket.
Pim turned in to the car park, found a space near the entrance, and stopped.
- turn out
to leave a side road and join a main road
文法句型
turn in + at/to/into + place
用法筆記
Always followed by a word showing the destination — at, to, or into — and the name of the place you are entering.
常見錯誤
5. to produce a performance, result, or piece of work, often one that is surprising
to produce a performance, result, or piece of work, often one that is surprisingly good or has taken considerable effort
Dylan turned in a brilliant performance on the opening night of the play.
turn in + a + [performance] (achievement context)
The chef turned in a flawless eight-course tasting menu for the critics.
Tara turned in the best quarterly sales figures the company had ever seen.
Caio turned in a solid effort on the group project despite being quite ill.
The team turned in another away win, their sixth match unbeaten.
文法句型
turn in + performance/result/effort
用法筆記
Object is always a performance, result, or creative piece — never a physical item. Often carries a sense of achievement: you 'turn in a good performance' when you have done something well.
turnin — noun
1. a part of something that bends, folds, or curves inward, especially an edge that
a part of something that bends, folds, or curves inward, especially an edge that has been deliberately folded back
The tailor pressed a neat turn-in along the hem before starting to stitch.
turn-in as a noun: a folded edge in sewing
A sharp turn-in at the corner of the metal sheet caught the worker's glove.
The bookbinder checked each turn-in on the leather cover before applying glue.
A small turn-in along the sleeve edge gave the jacket a clean, finished look.
用法筆記
A technical term used mainly in sewing, tailoring, bookbinding, and metalwork. Most learners will never need the noun form.