unbuttoned
  (adj.)敞著扭子
  unbuttoned
       adj 1: not buttoned; "the wind picked up the hem of her unbuttoned
              coat" [syn: unfastened] [ant: buttoned]
       2: not under constraint in action or expression; "this
          unbuttoned and disrespectful age"- Curtis Bok; "unlaced
          behavior in the neighborhood pub" [syn: unlaced]