line·man /ˈlaɪnmən/
  執線手;保路工;架線工
  Line·man n.; pl. Linemen
  1. One who carries the line in surveying, etc.; the surveyor who marks positions with a range pole.
  2. A man employed to examine the rails of a railroad to see if they are in good condition; also, a man employed to install or repair telegraph, telephone, television cable, or power lines.  Also called linesman.
  4. A ladies' man who is especially adept at inventing effective introductory phrases (pick-up lines) to gain a woman's attention. [Colloq.]
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  lineman
       n 1: one of the players on the line of scrimmage
       2: the surveyor who marks positions with a range pole
       3: a person who installs or repairs electrical or telephone
          lines [syn: electrician, linesman]
       4: the position of a player on a football team who is stationed
          on the line of scrimmage