unravel

动词 unravel:

1. become or cause to become undone by separating the fibers or threads of
   同义词：unknot, unscramble, untangle, unpick
2. disentangle
   同义词：ravel, ravel out
3. become undone
   同义词：run

1. My knitting has unravelled.
   我编织的东西散开了。