peel off
  剝掉,脫落;離開機群
  peel off
       v 1: peel off the outer layer of something
       2: take off, as with some difficulty; "He peeled off his
          blood-soaked shirt"
       3: leave a formation
       4: come off in flakes or thin small pieces; "The paint in my
          house is peeling off" [syn: peel, flake off, flake]
       5: peel off in scales; "dry skin desquamates" [syn: desquamate]