sagging
 (ing.)鬆弛
 Sag v. i. [imp. & p. p. Sagged p. pr. & vb. n. Sagging ]
 1. To sink, in the middle, by its weight or under applied pressure, below a horizontal line or plane; as, a line or cable supported by its ends sags, though tightly drawn; the floor of a room sags; hence, to lean, give way, or settle from a vertical position; as, a building may sag one way or another; a door sags on its hinges.
 2. Fig.: To lose firmness or elasticity; to sink; to droop; to flag; to bend; to yield, as the mind or spirits, under the pressure of care, trouble, doubt, or the like; to be unsettled or unbalanced. [R.]
 The mind I sway by, and the heart I bear,
 Shall never sag with doubt nor shake with fear.   --Shak.
 3. To loiter in walking; to idle along; to drag or droop heavily.
 To sag to leeward Naut., to make much leeway by reason of the wind, sea, or current; to drift to leeward; -- said of a vessel.
 Sag·ging n. A bending or sinking between the ends of a thing, in consequence of its own, or an imposed, weight; an arching downward in the middle, as of a ship after straining. Cf. Hogging.
 ◄ ►
 sag
      n : a shape that sags; "there was a sag in the chair seat" [syn:
           droop]
      v 1: droop, sink, or settle from or as if from pressure or loss
           of tautness [syn: droop, swag, flag]
      2: cause to sag; "The children sagged their bottoms down even
         more comfortably" [syn: sag down]
      [also: sagging, sagged]
 sagging
      adj : hanging down (as from exhaustion or weakness) [syn: drooping,
             droopy]
 sagging
      See sag