pinning
 阻塞


 Pin v. t. [imp. & p. p. Pinned p. pr. & vb. n. Pinning.]  To fasten with, or as with, a pin; to join; as, to pin a garment; to pin boards together. “As if she would pin her to her heart.”
 To pin one's faith upon, to depend upon; to trust to.

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 pin
      n 1: a piece of jewelry that is pinned onto the wearer's garment
      2: when a wrestler's shoulders are forced to the mat [syn: fall]
      3: small markers inserted into a surface to mark scores or
         define locations etc. [syn: peg]
      4: a number you choose and use to gain access to various
         accounts [syn: personal identification number, {PIN
         number]
      5: informal terms of the leg; "fever left him weak on his
         sticks" [syn: peg, stick]
      6: axis consisting of a short shaft that supports something
         that turns [syn: pivot]
      7: cylindrical tumblers consisting of two parts that are held
         in place by springs; when they are aligned with a key the
         bolt can be thrown
      8: flagpole used to mark the position of the hole on a golf
         green [syn: flag]
      9: a small slender (often pointed) piece of wood or metal used
         to support or fasten or attach things
      10: a holder attached to the gunwale of a boat that holds the
          oar in place and acts as a fulcrum for rowing [syn: peg,
           thole, tholepin, rowlock, oarlock]
      11: a club-shaped wooden object used in bowling; set up in
          groups as a target [syn: bowling pin]
      v 1: to hold fast or prevent from moving; "The child was pinned
           under the fallen tree" [syn: trap, immobilize, immobilise]
      2: attach or fasten with pins [ant: unpin]
      3: pierce with a pin; "pin down the butterfly"
      4: immobilize a piece
      [also: pinning, pinned]


 pinning
      n : a mutual promise of a couple not to date anyone else; on
          college campuses it was once signaled by the giving of a
          fraternity pin


 pinning
      See pin