a set of papers, records etc that contain information about a particular person or subject

档案:

Mendoza read over the file on the murders.

门多萨审读了这几起凶杀案的档案。

The FBI keeps files on former White House employees.

联邦调查局存有前白宫雇员的档案。

We will keep your details on file (=store them for later use) .

我们将把你的详细资料存档。

a copy of the court file

一份法庭档案

a box or piece of folded card in which you store loose papers

文件箱; 文件夹:

She pulled a blue file from the shelf.

她从架子上拉出一个蓝色文件夹。

information on a computer that you store under a particular name

〔计算机的〕文档，文件

Click on the icon to open the file .

点击图标打开文件。

You can always save the file into another directory.

把这个文件保存在另一目录下总是可以的。

files downloaded from the Internet

从因特网上下载的文件

a plain text file

纯文本文件

a metal tool with a rough surface that you rub on something to make it smooth

锉刀

a line of people who are standing or walking one behind the other

纵列:

a file of soldiers marching in step

齐步行进的一队士兵

It was dark as we set off in file.

等我们排着纵队出发时天已经黑了。

[T] to keep papers, documents etc in a particular place so that you can find them easily

把…归档（存档）:

The contracts are filed alphabetically .

这些合同是按字母顺序归档的。

I looked to see if anything was filed under my name.

我看了看，想知道是否有什么档案存在我的名下。

The handbooks are filed away for future reference.

这些手册存放起来以备将来参考。

[T] to give or send an official report or news story to your employer

〔向雇主〕提交〔 报告或新闻〕:

The officer left the scene without filing a report.

警察没有提交报告就离开了现场。

[I always + adv / prep, T] law to give a document to a court or other organization so that it can be officially recorded and dealt with

提起（诉讼）; 提出（申请）:

Mr Genoa filed a formal complaint against the department.

吉诺阿先生对那个部门提出了正式的投诉。

The Morrisons have filed for divorce .

莫里森夫妇已提出离婚申请。

Today is the deadline for Americans to file their tax returns .

今天是美国人递交纳税申报单的最后一天。

[I always + adv / prep] if people file somewhere, they walk there in a line

排成纵队行走:

We began to file out into the car park.

我们开始鱼贯而出，去停车场。

The mourners filed past the coffin.

吊唁者依次经过棺木。

[I always + adv / prep, T] to use a metal or wooden tool to rub something in order to make it smooth

锉平，锉光滑:

File down the sharp edges.

把锋利的边缘锉平。

She sat filing her nails.

她坐着锉指甲。