wrinkling
  皺紋
  Wrin·kle, v. t. [imp. & p. p. Wrinkled p. pr. & vb. n. Wrinkling ]
  1. To contract into furrows and prominences; to make a wrinkle or wrinkles in; to corrugate; as, wrinkle the skin or the brow.  “Sport that wrinkled Care derides.”
     Her wrinkled form in black and white arrayed.   --Pope.
  2. Hence, to make rough or uneven in any way.
  A keen north wind that, blowing dry,
  Wrinkled the face of deluge, as decayed.   --Milton.
     Then danced we on the wrinkled sand.   --Bryant.
  To wrinkle at, to sneer at. [Obs.]