file

file — noun

1. a folder, box, or cabinet that holds papers, letters, and documents so they stay

1.名詞B1
釋義

a folder, box, or cabinet that holds papers, letters, and documents so they stay tidy and can be found easily, common in offices and homes

例句

Gabriel pulled a red file from the shelf and took out the contract.

collocation: pull/take a file from [place]

The office assistant put the invoices into a blue cardboard file.

collocation: put into a file

同義詞
  • folder

    usually a folded piece of cardboard, simpler than a file box or cabinet

  • binder

    a file with rings to hold punched papers

  • portfolio

    a large flat case for carrying documents

常見錯誤

I put it in my document file cabinet.
I put it in my filing cabinet.
💡for the furniture that holds many files, use 'filing cabinet' not 'file cabinet'.

2. information and documents that are collected and stored as a record, often relat

2.名詞B1
釋義

information and documents that are collected and stored as a record, often relating to one specific person, topic, or event, whether on paper or in digital form

例句

The police keep a file on all known suspects in the area.

collocation: keep a file on [someone/something]

Mert asked to see his medical file before the appointment.

同義詞
  • record

    broader term; a file is a collection of records

  • dossier

    a detailed file on a person, often for official purposes; more formal

用法筆記

Frequently used in the phrase 'on file' meaning 'stored as part of the official records'. The uncountable form appears in the phrase 'on file' and in general references.

3. a piece of digital content, such as a document, picture, or program, that a comp

3.名詞A2
釋義

a piece of digital content, such as a document, picture, or program, that a computer stores under a single name and reads as one unit

例句

Kasia double-clicked the file to open the spreadsheet.

collocation: open a file / click a file

Make sure you save the file before you close the program.

collocation: save a file

同義詞
  • document

    specifically for text-based computer files; narrower than file

  • data file

    emphasises the information content; used in technical contexts

用法筆記

File names typically include a period and an extension (e.g., .docx, .jpg, .pdf) that tells the computer what kind of data it is.

常見錯誤

I saved it as a file word.
I saved it as a Word file.
💡the software name comes before 'file' as a modifier.

4. a straight formation where each person, vehicle, or animal follows directly behi

4.名詞B2
釋義

a straight formation where each person, vehicle, or animal follows directly behind the next, also called single file

例句

The children walked in a file behind their teacher through the museum.

collocation: in a file; walk in file

Visitors formed a single file at the entrance to the temple.

common phrase: single file

同義詞
  • line

    more general; file specifically means one behind another

  • queue

    British English for a line of waiting people; file emphasises movement

用法筆記

Almost always appears in the fixed phrase 'single file' or 'in file'. Rarely used as a standalone countable noun in everyday speech.

5. a hand tool made from a metal bar whose rough face rubs against wood, metal, or

5.名詞B2
釋義

a hand tool made from a metal bar whose rough face rubs against wood, metal, or fingernails to give a smooth finish or alter their shape

例句

Lakan used a metal file to smooth the rough edge of the pipe.

collocation: metal file

Mei-Lin picked up a nail file from the drawer and tidied her nails.

collocation: nail file

同義詞
  • rasp

    a very coarse type of file used on wood; more specialised

  • emery board

    a thin cardboard strip coated with abrasive, used for nails

用法筆記

Different files have different coarseness levels — a 'rough file' removes material quickly, while a 'fine file' is used for final smoothing. A 'nail file' is a small file specifically for fingernails.

file — verb