file
/faɪl; faɪl/ n
metal tool with a rough surface for cutting, smoothing or shaping hard substances 锉; 锉刀. file, v
1 [Tn, Tn.pr, Cn.a]
cut, smooth or shape (sth) with a file 用锉切削（某物）
file one's fingernails 锉指甲
file sth smooth 把某物锉光滑
file an iron bar in two 把铁棒锉成两截.
2 (phr v) file sth down make sth smooth and smaller in size by using a file 将某物锉光滑、 锉小.
file / faɪl; faɪl/ n
1
(a) any of various types of drawer, shelf, holder, cover, box, etc, usu with a wire or metal rod for keeping loose papers together and in order, for reference purposes （存放文件、 公文、 卷宗、 档案等的）抽屉、 架子、 夹子、 封皮、 箱子等
I need another file for my letters. 我还需要一个存放信件的夹子.
(b) file and its contents 存放文件等的用具及其中的文件; 档案; 卷宗
Where's the file of our recent correspondence? 我们近期的信件卷宗在哪里?
have/open/keep a file on each member of staff 有[设立/保管]每个职员的档案.
2 organized collection of related data or material in a computer （计算机）文件
I can't access the file on your company because I've forgotten the code. 我无法取出贵公司的文件, 因为我把代码忘了.
3 (idm 习语) on file kept in a file 存档; 归档
We have all your particulars on file. 我们已把你的全部资料存档.
file / faɪl; faɪl/ v
1 [Tn, Tn.pr, Tn.p]
~ sth (away) place sth in a file; store sth where it can be consulted 将某物归档
file (away) letters in a drawer 把信件归档放入抽屉中.
2 [Tn] send (sth) so that it may be recorded 送交（某物）以便备案; 提交
file an application for divorce 提交离婚申请书.
file / faɪl; faɪl/ n
1 line of people or things one behind the other 排成行的人或物.
2 (idm 习语) (in) Indian/single `file (in) one line, one behind the other （成）单行. Cf 参看 the rank and file (rank1). file, v [I, Ipr, Ip]
~ in, out, off, past, etc march or walk in the specified direction in a single line 排成单行沿某方向前进或行走
The men filed onto the parade ground and past the general. 士兵们排成单行进入阅兵场自将军面前走过.