tie up
 綁,系;阻礙,阻塞;密切聯繫,把…聯繫起來;完成,結束


 tie up
      v 1: secure with or as if with ropes; "tie down the prisoners";
           "tie up the old newspapes and bring them to the
           recycling shed" [syn: tie down, bind, truss]
      2: invest so as to make unavailable for other purposes; "All my
         money is tied up in long-term investments"
      3: restrain from moving or operating normally; "Traffic is tied
         up for miles around the bridge where the accident
         occurred"
      4: secure in or as if in a berth or dock; "tie up the boat"
         [syn: moor, berth]
      5: finish the last row [syn: bind off]