loosening
 鬆散
 Loos·en v. t. [imp. & p. p. Loosened p. pr. & vb. n. Loosening.]
 1. To make loose; to free from tightness, tension, firmness, or fixedness; to make less dense or compact; as, to loosen a string, or a knot; to loosen a rock in the earth.
    After a year's rooting, then shaking doth the tree good by loosening of the earth.   --Bacon.
 2. To free from restraint; to set at liberty..
    It loosens his hands, and assists his understanding.   --Dryden.
 3. To remove costiveness from; to facilitate or increase the alvine discharges of.
 loosening
      n 1: an occurrence of control or strength weakening; "the
           relaxation of requirements"; "the loosening of his
           grip"; "the slackening of the wind" [syn: relaxation,
           slackening]
      2: the act of making something less tight [syn: laxation]
         [ant: tightening]