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单词 off line
释义

WordReference Random House Learner's Dictionary of American English © 2024
ˈoff-ˌline or ˈoffˌline, adj. 
  1. Computingoperating independently of, or no longer connected to, another computer:I was off-line when your message came through (= My computer was off-line).
Compare on-line.
WordReference Random House Learner's Dictionary of American English © 2024
line1 /laɪn/USA pronunciation   n., v., lined, lin•ing. 
n. [countable]
  1. a long mark of very slight thickness or breadth:notebook paper with blue lines.
  2. something arranged along a line, esp. a straight line;
    a row:hid behind a line of trees.
  3. a number of persons standing one behind the other:a long line for tickets to the play.
    4. See in line, on line below.
  4. a mark or wrinkle on the face, neck, etc.
  5. an indication of a boundary;
    limit:the international date line.
  6. Printinga row of written or printed letters, words, etc.
  7. Poetrya unit in the structure of a poem:a line of poetry.
  8. Show BusinessUsually, lines. [plural] the words of an actor's part in a drama, musical comedy, etc.
  9. a short written message:Drop me a line when you're on vacation.
  10. Transporta system of transportation:a steamship line; a subway line.
  11. a course of direction;
    route:the line of flight.
  12. a course of action, procedure, thought, policy, etc.:That newspaper follows a conservative line.
  13. a piece of useful information:I've got a line on a good used car.
  14. a series of generations descended from a common ancestor:a line of kings.
  15. a person's occupation:[usually singular]What line are you in?
  16. Informal Termsconversation or a story intended to impress or influence:He handed us a line about his rich relatives.
  17. outline or contour:That ship has fine lines.
  18. lines, [plural]
    • a plan of construction, action, or procedure:The two books were written along the same lines.
  19. Telecommunications
    • a circuit or connection, as a telephone connection:Please hold the line.
  20. Business, Clothinga stock of goods of the same general class but having a range of styles, sizes, prices, or quality:introduced a new line of beauty products.
  21. Military
    • a series of fortifications:the Maginot line.
    • MilitaryOften, lines. a distribution of troops, ships, etc., arranged for defense or drawn up for battle:behind enemy lines.
  22. a thread, string, cord, rope, cable, etc., as a clothesline, or a cord with a hook for fishing.
  23. Nautical, Naval Termsa pipe or hose:A steam line had ruptured in the submarine's engine room.
  24. Sporteither of the two front rows of football players who are lined up opposite each other at the start of a play.

v. 
  1. Sport[Baseball.]to hit a line drive: [~ + object]He lined the ball into left field.[no object]He lined to left his next time at bat.
  2. [~ + object] to mark with a line or lines.
  3. to form a line along:[~ + object]Rocks lined the drive.
  4. Clothing[~ + object] to apply liner to (the eyes).
  5. line up:
    • to obtain for use;
      secure;
      make available: [~ + up + object]What entertainment did you line up?[~ + object + up]He lined them up six months ago.
    • to (cause to) take a position in a line:[no object]We lined up at the ticket office.[~ + up + object]The sergeant lined up his troops.[~ + object + up]The sergeant lined his troops up.
Idioms
  1. Idioms down the line:
    • in every way;
      thoroughly;
      completely:They promised to back me down the line.
    • in the future:We'll use your plan down the line when things improve financially.
  2. Idioms draw the line, to impose or establish a restriction or limit:They draw the line at drinking before noon.
  3. Idioms hold the line, to maintain the current situation:to hold the line on price increases.
  4. Idioms in line:
    • in the proper direction or alignment;
      straight:The four wheels are in line.
    • Idiomsin agreement with or in proportion to (some standard):brought our inflation rate in line with the rest of Europe.
    • under control:kept his squirming children in line during the long opera.
    • arranged one behind the other;
      in a row:We have been waiting in line since six in the morning.
  5. in line for, in a position to become:She was in line for president.
  6. Idioms into line:
    • into a straight row:Get your soldiers into line.
    • into agreement with or in proportion to (some standard):to bring manufacturing prices into line.
  7. Idioms lay it on the line, [Informal.]to say, tell, or give information directly and honestly.
  8. Idioms off line:
    • occurring or functioning away from the central work location, as an assembly line.
    • not in operation;
      not functioning.
    • not actively linked to a computer or central computer.
  9. on line:
    • on or part of an assembly line.
    • in or into operation.
    • actively linked to a computer.
  10. Idioms on the line:
    • in a dangerous or risky position:He had put his reputation on the line.
  11. Idioms, Informal Terms out of line:
    • not in a straight line:The tires had worn and were now out of line.
    • disrespectful;
      behaving badly:You're way out of line, criticizing his wife like that.
  12. read between the lines, to understand, uncover, or discover a meaning hinted at but not said directly.

See -lin-.
line2 /laɪn/USA pronunciation   v. [~ + object], lined, lin•ing. 
  1. to cover the inner side or surface of:to line a coat with blue silk.
  2. to cover:Bookcases lined the wall.
See -lin-.
WordReference Random House Unabridged Dictionary of American English © 2024
off-line  (ôf′līn′, of′-),USA pronunciation adj. 
  1. Computingoperating independently of, or disconnected from, an associated computer (opposed to on-line).
  2. Radio and Television, Show Business(of a network) not supplying affiliated stations with programming but allowing each station to program its own shows, usually within a specific format.
  3. Radio and Television, Show Business[Television.]of or pertaining to the preliminary planning and editing of a videotaped program.
  4. Communicationslocated in or serving a place not on a regular route of a railroad, bus, or air carrier:an off-line ticket office.Cf. on-line. 
Also, off′line′, off′ line′. 
  • 1925–30

off-line, +adv. 
  1. in or to a more private place:We should take this discussion off-line.

WordReference Random House Unabridged Dictionary of American English © 2024
line1  (līn),USA pronunciation n., v., lined, lin•ing. 
n. 
  1. a mark or stroke long in proportion to its breadth, made with a pen, pencil, tool, etc., on a surface:a line down the middle of the page.
  2. Mathematicsa continuous extent of length, straight or curved, without breadth or thickness;
    the trace of a moving point.
  3. Mechanical Engineeringsomething arranged along a line, esp. a straight line;
    a row or series:a line of trees.
  4. a number of persons standing one behind the other and waiting their turns at or for something;
    queue.
  5. something resembling a traced line, as a band of color, a seam, or a furrow:lines of stratification in rock.
  6. a furrow or wrinkle on the face, neck, etc.:lines around the eyes.
  7. an indication of demarcation;
    boundary;
    limit:the county line; a fine line between right and wrong.
  8. Printinga row of written or printed letters, words, etc.:a page of 30 lines.
  9. Poetrya verse of poetry:A line in iambic pentameter contains five feet.
  10. Show BusinessUsually, lines. the words of an actor's part in a drama, musical comedy, etc.:to rehearse one's lines.
  11. a short written message:Drop me a line when you're on vacation.
  12. Transporta system of public conveyances, as buses or trains, plying regularly over a fixed route:the northbound line at State Street.
  13. Transporta transportation or conveyance company:a steamship line.
  14. a course of direction;
    route:the line of march down Main Street.
  15. a course of action, procedure, thought, policy, etc.:That newspaper follows the communist line.
  16. a piece of pertinent or useful information (usually fol. by on):I've got a line on a good used car.
  17. a series of generations of persons, animals, or plants descended from a common ancestor:a line of kings.
  18. a department of activity;
    occupation or business:What line are you in?
  19. Informal Termsa mode of conversation, esp. one that is glib or exaggerated in order to impress or influence another person:He really handed her a line about his rich relatives.
  20. Ophthalmologya straight line drawn from an observed object to the fovea of the eye.
  21. lines:
    • the outer form or proportions of a ship, building, etc.:a ship of fine lines.
    • a general form, as of an event or something that is made, which may be the basis of comparison, imitation, etc.:two books written along the same lines.
    • a person's lot or portion:to endure the hard lines of poverty.
    • British Terms[Chiefly Brit.]a certificate of marriage.
  22. Geographya circle of the terrestrial or celestial sphere:the equinoctial line.
  23. Journalismbanner (def. 7).
  24. Fine Art
    • a mark made by a pencil, brush, or the like, that defines the contour of a shape, forms hatching, etc.
    • the edge of a shape.
  25. Radio and Television[Television.]one scanning line.
  26. Telecommunications
    • a telephone connection:Please hold the line.
    • a wire circuit connecting two or more pieces of electric apparatus, esp. the wire or wires connecting points or stations in a telegraph or telephone system, or the system itself.
  27. Geography the line, the equator.
  28. Business, Clothinga stock of commercial goods of the same general class but having a range of styles, sizes, prices, or quality:the company's line of shoes.
  29. an assembly line.
  30. Lawa limit defining one estate from another;
    the outline or boundary of a piece of real estate.
  31. Games[Bridge.]a line on a score sheet that separates points scored toward game (below the line) from points scored by setting a contract, having honors, etc.(above the line). 
  32. [Music.]any of the straight, horizontal, parallel strokes of the staff, or one placed above or below the staff.
  33. Military
    • a defensive position or front.
    • a series of fortifications:the Maginot line.
    • MilitaryUsually, lines. a distribution of troops, sentries, etc., for the defense of a position or for an attack:behind the enemy's lines.
    • the body of personnel constituting the combatant forces of an army, as distinguished from the supply services and staff corps.
  34. Militaryan arrangement of troops of an army or of ships of a fleet as drawn up for battle:line of battle.
  35. Militarya body or formation of troops or ships drawn up abreast (distinguished from column).
  36. Militarythe class of officers serving with combatant units or warships.
  37. Militarythe regular forces of an army or navy.
  38. that part of an administrative organization consisting of persons actively engaged on a given project. Cf. staff1 (def. 4).
  39. a thread, string, cord, rope, or the like.
  40. a clothesline:the wash hanging on the line.
  41. a cord, wire, or the like, used for measuring or as a guide.
  42. [Naut.]
    • Naval Termsa pipe or hose:a steam line.
    • Naval Termsa rope or cable used at sea.
  43. Slang Termsa small quantity of cocaine arranged in the form of a slender thread or line, as for sniffing.
  44. ClothingAlso, ligne. a unit, 1⁄40 inch (0.635 millimeter), for measuring the diameter of buttons.
  45. Sport[Angling.]a length of nylon, silk, linen, cord, or the like, to which are attached the leader, hook, sinker, float, etc.
  46. Sport[Football.]
    • either of the two front rows of opposing players lined up opposite each other on the line of scrimmage:a four-man line.
    • See line of scrimmage. 
  47. Sportthe betting odds established by bookmakers for events not covered by pari-mutuel betting, esp. sporting events, as football or basketball.
  48. Sport[Ice Hockey.]the two wings and center who make up a team's offensive unit.
  49. Sport[Fencing.]any of the four divisions of the portion of a fencer's body on which a touch can be scored, taken as an area of attack or defense.
  50. Textilesthe longer and preferred flax or hemp fibers. Cf. tow2 (def. 2).
  51. Sport[Fox Hunting.]the trail of scent left by a fox.
  52. Weights and Measuresa unit of length equivalent to 1⁄12 inch (2.12 millimeters).
  53. Business[Insurance.]
    • a class or type of insurance:casualty line.
    • the amount of insurance written for a particular risk.
  54. British Terms[Australian Slang.]a girl or woman.
  55. Idioms bring, come, or get into line:
    • to become or cause to become straight, as in a row:The members of the marching band got into line.
    • to conform or cause to conform or agree:They were persuaded to come into line with the party's policy.
  56. Idioms down the line:
    • in all ways;
      thoroughly;
      fully:It's a fine house right down the line—well-built, roomy, attractive.
    • in the future.
  57. Idioms draw the line, to impose a restriction;
    limit:They might exaggerate but would draw the line at outright lying.
  58. Show Business, British Terms, Idioms go up in one's lines, [U.S.]Theat. to forget one's part during a performance. Also,[Brit.,] go up on one's lines. 
  59. Idioms hold the line, to maintain the status quo, esp. in order to forestall unfavorable developments:We're trying to hold the line on prices.
  60. Idioms in line:
    • in alignment;
      straight.
    • Idiomsin conformity or agreement.
    • Idiomsin control (of one's conduct):to keep one's temper in line.
    • prepared;
      ready.
    • Idiomswaiting one behind the other in a queue:There were eight people in line at the teller's window.
  61. Idioms in line with, in agreement or conformity with:The action taken was in line with her decision.
  62. Idioms in the line of duty, in the execution of the duties belonging to some occupation, esp. with regard to the responsibility for life and death:a policeman wounded in the line of duty.Also, in line of duty. 
  63. Informal Terms lay it on the line:
    • to give money;
      pay.
    • to give the required information;
      speak directly or frankly:I'm going to stop being polite and lay it on the line.
  64. Idioms off line:
    • occurring or functioning away from an assembly line, work process, etc.
    • not in operation;
      not functioning.
  65. Sport on a line, [Baseball.](of a batted or thrown ball) through the air in an approximately straight line from the point of impact or delivery:hit on a line between third and short; thrown in on a line from the center fielder.
  66. on line:
    • on or part of an assembly line:Production will be improved when the new welding equipment is on line.
    • in or into operation:The manufacturing facilities will be on line before November.
    • [Computers.]actively linked to a computer:The printer is not yet on line.
    • Dialect Terms[Chiefly New York City.]See line 1 (def. 60e).
  67. Informal Terms, Idioms on the line:
    • being risked or put in jeopardy;
      in a vulnerable position:Our prestige and honor are on the line.
    • immediately;
      readily:paid cash on the line.
  68. Idioms out of line:
    • not in a straight line.
    • Idiomsin disagreement with what is accepted or practiced.
    • , Idioms, Informal Terms[Informal.]impertinent;
      presumptuous:That last remark was out of line.
  69. Idioms read between the lines, to understand the unexpressed but implied meaning of something said or written:Her letter sounded cheerful enough, but I read a certain sadness between the lines.
  70. Idioms toe the line or mark:
    • to conform strictly to a rule, command, etc.
    • to shoulder responsibilities;
      do one's duty:He tried hard to toe the line on the new job.

v.i. 
  1. to take a position in a line;
    range (often fol. by up):to line up before the start of a parade.
  2. Sport[Baseball.]
    • to hit a line drive.
    • to line out.

v.t. 
  1. to bring into a line, or into line with others (often fol. by up):to line up troops.
  2. to mark with a line or lines:to line paper for writing.
  3. to sketch verbally or in writing;
    outline (often fol. by out):We followed the plan he had lined out.
  4. to arrange a line along:to line a coast with colonies.
  5. to form a line along:Rocks lined the drive.
  6. to apply liner to (the eyes).
  7. to delineate with or as if with lines;
    draw:to line the silhouette of a person's head.
  8. [Archaic.]to measure or test with a line.
  9. line out:
    • Sport[Baseball.]to be put out by hitting a line drive caught on the fly by a player of the opposing team.
    • to execute or perform:He lined out a few songs upon request.
  10. line up, to secure;
    make available:to line up support; to line up a speaker for the banquet.
  • Latin, as above
  • Old French ligne Latin līnea, noun, nominal use of feminine of līneus flaxen (origin, originally applied to string), equivalent to līn(um) flax (see line2) + -eus -eous, partly continuing Old English līne string, row, series
  • Middle English li(g)ne cord, rope, stroke, series, guiding rule, partly bef. 1000
lin′a•ble, line′a•ble, adj. 
line′less, adj. 
line′like′, adj. 

line2  (līn),USA pronunciation v., lined, lin•ing, n. 
v.t. 
  1. to cover the inner side or surface of:to line the coat with blue silk.
  2. to serve to cover:Velvet draperies lined the walls of the room.
  3. to furnish or fill:to line shelves with provisions.
  4. to reinforce the back of a book with glued fabric, paper, vellum, etc.
  5. Idioms line one's pockets, to make much money, esp. in an illegal or questionable way.

n. 
  1. a thickness of glue, as between two veneers in a sheet of plywood.
  • Latin līnum flax
  • Middle English lynen, derivative of line linen, flax, Old English līn 1350–1400

Collins Concise English Dictionary © HarperCollins Publishers::
offline /ˈɒfˌlaɪn/, off-line adj
  1. of, relating to, or concerned with a part of a computer system not connected to the central processing unit but controlled by a computer storage device
    See online
  2. disconnected from a computer; switched off
 adv
  1. while not connected to a computer or the internet
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更新时间：2024/9/20 17:35:20