dangling
  搖擺
  Dan·gle v. i. [imp. & p. p. Dangled p. pr. & vb. n. Dangling ]  To hang loosely, or with a swinging or jerking motion.
  He'd rather on a gibbet dangle
  Than miss his dear delight, to wrangle.   --Hudibras.
  From her lifted hand
  Dangled a length of ribbon.   --Tennyson.
  To dangle about or To dangle after, to hang upon importunately; to court the favor of; to beset.
  The Presbyterians, and other fanatics that dangle after them,
  are well inclined to pull down the present establishment.   --Swift.
  dangling
       n : the act of suspending something (hanging it from above so it
           moves freely); "there was a small ceremony for the
           hanging of the portrait" [syn: suspension, hanging]