tie-up /ˈtaɪˌʌp/
  被扎的東西,停頓,牛棚,停泊處,聯合
  tie-up
       n 1: a social or business relationship; "a valuable financial
            affiliation"; "he was sorry he had to sever his ties
            with other members of the team"; "many close
            associations with England" [syn: affiliation, association,
             tie]
       2: an interruption of normal activity [syn: stand, standstill]