un·rav·el /ˌʌnˈrævəl/
 (vt.)闡明,解釋,解開(vi.)散開


 Un·rav·el v. t.
 1. To disentangle; to disengage or separate the threads of; as, to unravel a stocking.
 2. Hence, to clear from complication or difficulty; to unfold; to solve; as, to unravel a plot.
 3. To separate the connected or united parts of; to throw into disorder; to confuse. “Art shall be conjured for it, and nature all unraveled.”


 Un·rav·el, v. i. To become unraveled, in any sense.

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 unravel
      v 1: become or cause to become undone by separating the fibers or
           threads of; "the sweater unravelled" [syn: unknot, unscramble,
            untangle, unpick] [ant: ravel, ravel]
      2: disentangle; "can you unravel the mystery?"; "unravel the
         ball or yarn" [syn: ravel, ravel out]
      3: become undone; "the sweater unraveled" [syn: run]
      [also: unravelling, unravelled]